25:["$","title",null,{"children":"How big is my tax cut? | Leo Orpilla III | Observable"}] 4b:T507,Plot.plot({ x: { grid: true, tickFormat: "$s", label: "Income (A$) →", domain: [0, 126000] }, y: { grid: true, tickFormat: "$s", label: "↑ Lower and middle income tax offset (A$)" }, color: { legend: true }, marks: [ Plot.line( data.filter( (x) => (x.name === "Stage Two (2020-21)" || x.name === "Stage Two (2021-22)" || x.name === "Stage Two (2022-23)") && x.income <= 126001 ), { x: "income", y: "lmitoOffset", stroke: "name" } ), Plot.dot( [ { x: myIncomeOffset, y: myIncomeOffset_stage2_2020_21.lmitoOffset, name: "Stage Two (2020-21)" }, { x: myIncomeOffset, y: myIncomeOffset_stage2_2021_22.lmitoOffset, name: "Stage Two (2021-22)" }, { x: myIncomeOffset, y: myIncomeOffset_stage2_2022_23.lmitoOffset, name: "Stage Two (2022-23)" } ], { x: "x", y: "y", stroke: "name", fill: "white", strokeWidth: 2, title: ({ x, y }) => `Income: ${formatter.format(x)}\nLMITO: ${formatter.format(y)}` } ) ] })4c:[] 47:{"id":"f370bed537c18ea3","slug":"how-big-is-my-tax-cut","title":"How big is my tax cut?","thumbnail":"36cf744155d44c3776129ce9a97c38721cac06aacda8f3f35482fc13075cbca8","access_level":"public","create_time":"$D2023-02-28T06:12:19.949Z","update_time":"$D2023-03-27T11:36:18.941Z","view_time":null,"first_public_time":"$D2023-02-28T06:12:19.949Z","has_unpublished_edits":null,"fork":false,"stars":1,"starred":false,"owner":{"type":"team","id":"304df413ac6d9b3b","login":"ldgrp","name":"Leo Orpilla III","avatar_url":"https://avatars-next.observableusercontent.com/9743f8415274ff1b872aff405e8a77d6dd9c25f412b1ce8853f1dee939c67e9a","tier":"starter_2024","bio":"","followed_by_you":false,"follows_you":false},"version":1126,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"4d2ca89f2665bbeb","login":"ldgrp","name":"Leo Orpilla III","avatar_url":"https://avatars-next.observableusercontent.com/9743f8415274ff1b872aff405e8a77d6dd9c25f412b1ce8853f1dee939c67e9a","tier":null,"bio":"","followed_by_you":false,"follows_you":false}],"members":[{"type":"individual","id":"4d2ca89f2665bbeb","login":"ldgrp","name":"Leo Orpilla III","avatar_url":"https://avatars-next.observableusercontent.com/9743f8415274ff1b872aff405e8a77d6dd9c25f412b1ce8853f1dee939c67e9a","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"How big is my tax cut?","cells":[{"id":0,"value":"# How big is my tax cut?","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":5,"value":"viewof myIncome = Inputs.range([0, 250000], {\n label: \"Income (A$)\",\n type: \"number\",\n value: 65000,\n step: 1000\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":8,"value":"A person on **${formatter.format(myIncome)}** of income will receive a tax cut of **${formatter.format(Math.abs(myIncome_delta))}**. Their tax liability for the 2022-23 financial year is **${formatter.format(myIncome_stage2)}** and will be decreased to **${formatter.format(myIncome_stage3)}** after the stage three tax cuts (not including offsets and the Medicare levy).","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":437,"value":"## Stage Three Tax Cuts","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":452,"value":"From 1 July 2024, the 32.5% tax bracket will be dropped to 30% and the 37% bracket is removed, such that the *marginal tax rate* on incomes between $45,000 and $200,000 will be 30%. The threshold above which the top bracket of 45% applies will be increased from $180,000 to $200,000.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":456,"value":"Plot.plot({\n x: {\n grid: true,\n tickFormat: \"$s\",\n label: \"Income (A$) →\"\n },\n y: { grid: true, label: \"↑ Marginal tax rate\" },\n color: {\n legend: true,\n domain: [\"Stage Two (2022-23)\", \"Stage Three (2024-25)\"]\n },\n marks: [\n Plot.line(data, {\n x: \"income\",\n y: \"marginalTaxRate\",\n stroke: \"name\",\n strokeWidth: 2\n })\n ]\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":299,"value":"The graph below shows the tax liability of an individual as a percentage of their income. This is known as _effective tax rate_.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":11,"value":"Plot.plot({\n x: {\n grid: true,\n tickFormat: \"$s\",\n label: \"Income (A$) →\"\n },\n y: { grid: true, label: \"↑ Effective tax rate\" },\n color: {\n legend: true,\n domain: [\"Stage Two (2022-23)\", \"Stage Three (2024-25)\"]\n },\n marks: [\n Plot.line(data, {\n x: \"income\",\n y: \"effectiveTaxRate\",\n stroke: \"name\",\n strokeWidth: 2\n }),\n Plot.dot(\n [\n {\n x: myIncomeEff,\n y: myIncomeEff_stage2,\n policy: \"Stage Two (2022-23)\"\n },\n {\n x: myIncomeEff,\n y: myIncomeEff_stage3,\n policy: \"Stage Three (2024-25)\"\n }\n ],\n {\n x: \"x\",\n y: \"y\",\n title: ({ x, y }) =>\n `Income: ${formatter.format(x)}\\nEffective tax rate: ${round(\n y * 100\n )}%`,\n stroke: \"policy\",\n strokeWidth: 2,\n fill: \"white\"\n }\n )\n ]\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":804,"value":"viewof myIncomeEff = Inputs.range([0, 220000], {\n label: \"Income (A$)\",\n step: 1000,\n value: 80000\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":808,"value":"A person on **${formatter.format(myIncomeEff)}** will currently pay **${round(myIncomeEff_stage2*100)}%** of their income as tax. Under stage three, this will be reduced to **${round(myIncomeEff_stage3*100)}%**. This represents a **${round(myIncomeEff_delta * 100)}%** reduction valued at **${formatter.format(myIncomeEff_delta * myIncomeEff)}**.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":309,"value":"Notice that Stage Three has no effect on anyone earning below $45,000 and produces greater tax reductions on higher income earners. After $200,000, the maximum tax cut available is reached at $9,075.\n\nThe graph below shows the tax reduction received at various income levels, along with annualised median incomes from the Australian Bureau of Statistics.\n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":329,"value":"Plot.plot({\n x: {\n grid: true,\n tickFormat: \"$s\",\n label: \"Income (A$) →\"\n },\n y: { grid: true, tickFormat: \"$s\", label: \"↑ Tax cut (A$)\" },\n color: { legend: true },\n marks: [\n Plot.line(\n data,\n Plot.groupX(\n { y: ([_, _1, _2, a, b]) => a.taxPayable - b.taxPayable },\n {\n x: \"income\"\n }\n )\n ),\n Plot.dot(median_earnings, {\n x: \"income\",\n y: \"tax_delta\",\n title: (d) =>\n `${d.occupation}\\n Annualised Median Income: ${formatter.format(\n d.income\n )}\\n Tax Cut: A${formatter.format(Math.abs(d.tax_delta))}`,\n fill: \"white\",\n stroke: \"black\"\n })\n ]\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":16,"value":"| Occupation | Median Income | Income tax
(Current) | Income tax
(Stage Three) | Tax Cut |\n| ---------- | -----: | -------------------: | --------------------:| -----:|\n${median_earnings.map(({occupation, income, tax_stage2, tax_stage3, tax_delta}) => `|${occupation} | ${formatter.format(income)} | ${formatter.format(tax_stage2)} | ${formatter.format(tax_stage3)} | ${formatter.format(tax_delta)}\\n`)}","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":557,"value":"## Lower and Middle Income Tax Offset Phase-out\nThe Personal Income Tax Plan (PITP) was introduced in the 2018-19 Budget and comprises three stages:\n\n- **Stage one** increases the threshold above which the 37% marginal rate applies from $87,000 to $90,000\n and introduces the *low and middle income tax offset* (LMITO)\n- **Stage two** increases the threshold above which the 37% marginal rate applies from $90,000 to $120,000\n and increases the existing *low income tax offset* (LITO). The LMITO was planned to be abolished since these changes \"lock in\" the tax reductions.\n- **Stage three** combines the 32.5% and 37% brackets into a single 30% bracket that applies to taxable income between $45,000 and $200,000. Income over $200,000 is taxed at a 45% marginal rate.\n\nAs an economic stimulus measure, the LMITO was extended in 2020-21 and 2021-22 resulting in an additional tax reduction. The LMITO was also increased by $420 for the 2021-22 income year.\n","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":1018,"value":"$4b","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1011,"value":"The LMITO has been phased out and will not be available in the 2022-23 income year. This means that, all other things being equal, some people will see an *increase* in their tax bill when compared between 2021-22 and 2022-23 income year.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":950,"value":"viewof myIncomeOffset = Inputs.range([0, 150000], {\n label: \"Income (A$)\",\n step: 1000,\n value: 60000\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":959,"value":"A person on **${formatter.format(myIncomeOffset)}** will pay **${formatter.format(delta_lmito)}** ${delta_lmito > 0 ? `more` : ``} in the 2022-23 income year as a result of the Low and Middle Income Tax Offset phase out.","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":18,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":53,"value":"### Interactive","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":55,"value":"myIncome_stage2 = calculateTax(stage2, myIncome)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":57,"value":"myIncome_stage3 = calculateTax(stage3, myIncome)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":59,"value":"myIncome_delta = myIncome_stage3 - myIncome_stage2","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":739,"value":"myIncome_lito = calculateOffset(lito, myIncome)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":740,"value":"myIncomeEff_stage2 = effectiveTaxRate(stage2, myIncomeEff)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":832,"value":"myIncomeEff_stage3 = effectiveTaxRate(stage3, myIncomeEff)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":834,"value":"myIncomeEff_delta = myIncomeEff_stage2 - myIncomeEff_stage3","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1069,"value":"myIncomeOffset_stage2_2020_21 = calculateTaxWithOffset(\n stage2,\n lito,\n lmito,\n myIncomeOffset\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1071,"value":"myIncomeOffset_stage2_2021_22 = calculateTaxWithOffset(\n stage2,\n lito,\n lmito22,\n myIncomeOffset\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1073,"value":"myIncomeOffset_stage2_2022_23 = calculateTaxWithOffset(\n stage2,\n lito,\n null,\n myIncomeOffset\n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":1050,"value":"delta_lmito = myIncomeOffset_stage2_2022_23.totalTaxPayable -\n myIncomeOffset_stage2_2021_22.totalTaxPayable","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":61,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":634,"value":"### Data","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":265,"value":"population = 13753200","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":156,"value":"stage1 = [\n { lo: 0, hi: 18200, tax_rate: 0 },\n { lo: 18200, hi: 37000, tax_rate: 0.19 },\n { lo: 37000, hi: 90000, tax_rate: 0.325 },\n { lo: 90000, hi: 180000, tax_rate: 0.37 },\n { lo: 180000, hi: Number.POSITIVE_INFINITY, tax_rate: 0.45 }\n].map((x) => ({ ...x, title: getTitle(x) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":23,"value":"stage2 = [\n { lo: 0, hi: 18200, tax_rate: 0 },\n { lo: 18200, hi: 45000, tax_rate: 0.19 },\n { lo: 45000, hi: 120000, tax_rate: 0.325 },\n { lo: 120000, hi: 180000, tax_rate: 0.37 },\n { lo: 180000, hi: Number.POSITIVE_INFINITY, tax_rate: 0.45 }\n].map((x) => ({ ...x, title: getTitle(x) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":24,"value":"stage3 = [\n { lo: 0, hi: 18200, tax_rate: 0 },\n { lo: 18200, hi: 45000, tax_rate: 0.19 },\n { lo: 45000, hi: 200000, tax_rate: 0.3 },\n { lo: 200000, hi: Number.POSITIVE_INFINITY, tax_rate: 0.45 }\n].map((x) => ({ ...x, title: getTitle(x) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":656,"value":"lito18 = [\n { lo: 0, hi: 37000, offset: (x) => 445 },\n { lo: 37000, hi: 66667, offset: (x) => -0.015 * x }\n].map((x) => ({ ...x, title: getTitle(x) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":577,"value":"lito = [\n { lo: 0, hi: 37500, offset: (x) => 700 },\n { lo: 37500, hi: 45000, offset: (x) => - 0.05 * x },\n { lo: 45000, hi: 66667, offset: (x) => - 0.015 * x }\n].map((x) => ({ ...x, title: getTitle(x) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":593,"value":"lmito = [\n { lo: 0, hi: 37000, offset: (x) => 255 },\n { lo: 37000, hi: 48000, offset: (x) => 0.075 * x },\n { lo: 48000, hi: 90000, offset: (x) => 0 },\n { lo: 90000, hi: 126000, offset: (x) => -0.03 * x }\n].map((x) => ({ ...x, title: getTitle(x) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":659,"value":"lmito22 = [\n { lo: 0, hi: 37000, offset: (x) => 675 },\n { lo: 37000, hi: 48000, offset: (x) => 0.075 * x },\n { lo: 48000, hi: 90000, offset: (x) => 0 },\n { lo: 90000, hi: 126000, offset: (x) => -0.03 * x },\n { lo: 126000, hi: Infinity, offset: (x) => -420 }\n].map((x) => ({ ...x, title: getTitle(x) }))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":411,"value":"// From ABS https://www.abs.gov.au/statistics/labour/earnings-and-working-conditions/employee-earnings/aug-2022#occupation\nmedian_earnings = [\n { occupation: \"Managers\", income: 1900 * 52 },\n { occupation: \"Professionals\", income: 1692.9 * 52 },\n { occupation: \"Technicians and trades workers\", income: 1300 * 52 },\n { occupation: \"Machinery operators and drivers\", income: 1250 * 52 },\n { occupation: \"Clerical and administrative workers\", income: 1150 * 52 },\n { occupation: \"Community and personal service workers\", income: 863 * 52 },\n { occupation: \"Labourers\", income: 810 * 52 },\n { occupation: \"Sales workers\", income: 675.9 * 52 }\n].map((d) => {\n const tax_stage2 = calculateTax(stage2, d.income);\n const tax_stage3 = calculateTax(stage3, d.income);\n const tax_delta = tax_stage2 - tax_stage3;\n return { ...d, tax_stage2, tax_stage3, tax_delta };\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":636,"value":"---","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":165,"value":"import { Plot } from \"@mkfreeman/plot-tooltip\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":201,"value":"import { linkRanges } from \"@mootari/link-ranges\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":211,"value":"import {inputTemplate} from \"@mootari/input-template\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":213,"value":"import { interval } from \"@mootari/range-slider\"","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":40,"value":"formatter = new Intl.NumberFormat(\"en-AU\", {\n style: \"currency\",\n currency: \"AUD\",\n maximumFractionDigits: 0\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":397,"value":"nf = new Intl.NumberFormat(\"en-AU\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":38,"value":"round = (n, decimals = 2) =>\n Math.round(n * Math.pow(10, decimals)) / Math.pow(10, decimals)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":114,"value":"sum = (arr) => arr.reduce((x, cum) => x + cum, 0)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":332,"value":"_ = require(\"lodash\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":122,"value":"getTitle = ({ lo, hi }) => {\n if (lo === 0) return `${formatter.format(hi)} or less`;\n else if (!Number.isFinite(hi)) return `${formatter.format(lo+1)} or more`;\n else return `${formatter.format(lo + 1)} - ${formatter.format(hi)}`;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":31,"value":"calculateTax = (policy, income) => {\n let result = 0;\n for (const bracket of policy) {\n if (bracket.lo <= income && bracket.hi <= income) {\n result += (bracket.hi - bracket.lo) * bracket.tax_rate;\n } else if (bracket.lo <= income && income <= bracket.hi) {\n result += (income - bracket.lo) * bracket.tax_rate;\n }\n }\n return result;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":32,"value":"calculateOffset = (policy, income) => {\n let result = 0;\n for (const bracket of policy) {\n if (bracket.lo <= income && bracket.hi <= income) {\n result += bracket.offset(bracket.hi - bracket.lo);\n } else if (bracket.lo < income && income <= bracket.hi) {\n result += bracket.offset(income - bracket.lo);\n }\n }\n return round(result);\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":962,"value":"calculateTaxWithOffset = (taxPolicy, litoPolicy, lmitoPolicy, income) => {\n const litoOffset = litoPolicy ? calculateOffset(litoPolicy, income) : 0;\n const lmitoOffset = lmitoPolicy ? calculateOffset(lmitoPolicy, income) : 0;\n const taxPayable = calculateTax(taxPolicy, income);\n const totalOffset = litoOffset + lmitoOffset;\n const totalTaxPayable = Math.max(taxPayable - totalOffset, 0);\n return {\n taxPayable, // before offsets\n effectiveTaxRate: effectiveTaxRate(taxPolicy, income),\n marginalTaxRate: marginalTaxRate(taxPolicy, income),\n litoOffset,\n lmitoOffset,\n totalOffset,\n totalTaxPayable\n };\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":34,"value":"marginalTaxRate = (policy, n) =>\n calculateTax(policy, n + 1) - calculateTax(policy, n)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":36,"value":"effectiveTaxRate = (policy, n) => (n > 0 ? calculateTax(policy, n) / n : 0)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":26,"value":"taxRateByDollar = (\n taxPolicy,\n litoPolicy,\n lmitoPolicy,\n from,\n to,\n interval = 1\n) => {\n const result = [];\n for (let income = from; income <= to; income += interval) {\n const taxDetails = calculateTaxWithOffset(\n taxPolicy,\n litoPolicy,\n lmitoPolicy,\n income\n );\n result.push({ ...taxDetails, income });\n }\n return result;\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":343,"value":"data = {\n const from = 1;\n const to = 220000;\n const interval = 500;\n return [\n [\"Stage One\", taxRateByDollar(stage1, lito18, lmito, from, to, interval)],\n [\n \"Stage Two (2020-21)\",\n taxRateByDollar(stage2, lito, lmito, from, to, interval)\n ],\n [\n \"Stage Two (2021-22)\",\n taxRateByDollar(stage2, lito, lmito22, from, to, interval)\n ],\n [\n \"Stage Two (2022-23)\",\n taxRateByDollar(stage2, lito, null, from, to, interval)\n ],\n [\n \"Stage Three (2024-25)\",\n taxRateByDollar(stage3, lito, null, from, to, interval)\n ]\n ].flatMap(([name, d]) => d.map((d) => ({ name, ...d })));\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W4c","stdlib":"1"}} 24:null