function reportValues(p_choice, t_choice, r_choice, monthly_choice) {
let local_p = p_choice;
let interests = [];
let principals_paid = [];
let principals_left = [];
for (let i = 0; i < t_choice; i++) {
let interest = local_p * r_choice;
interests.push(interest);
let principal = monthly_choice - interest;
principals_paid.push(principal);
principals_left.push(local_p - principal);
local_p -= principal;
}
return [interests, principals_paid, principals_left];
}