SELECT
SUM(item_selection_details."Net Price") AS "Total $",
item_selection_details."Service",
item_selection_details."Menu Group"
,
modifiers_selection_details."Modifier"
FROM
item_selection_details
JOIN
modifiers_selection_details
ON
item_selection_details."Order Id" = modifiers_selection_details."Order Id"
GROUP BY
item_selection_details."Service",
item_selection_details."Menu Group"
,
modifiers_selection_details."Modifier"