(schoolwork) business math 8.6

local nprompt = function(prompt)
    print(prompt)
    term.clearLine()
    term.setTextColor(colors.yellow)
    write("> ")
    term.setTextColor(colors.white)
    return tonumber(read())
end

local amountFinanced = nprompt("Amount financed?")
local months = nprompt("Months?")
local monthlyPayment = nprompt("Monthly payment?")


local function getFinanceCharge(months, monthlyPayment, amountFinanced)
    local totalPaybackAmount = monthlyPayment * months
    local financeCharge = totalPaybackAmount - amountFinanced
    local financeChargePerHundred = 100 * (financeCharge / amountFinanced)
    return totalPaybackAmount, financeCharge, financeChargePerHundred
end

totalPaybackAmount, financeCharge, financeChargePerHundred = getFinanceCharge(months, monthlyPayment, amountFinanced)

print("Look for '"..tostring(financeChargePerHundred).."'")