const {afterDiscount,beforeDiscount, discountAmount, percentage} = discountCalculate(500,10)
const discountCalculate = (amount, percentage) => {
let beforeDiscount = parseFloat(parseFloat(amount).toFixed(2))
let discountAmount = parseFloat(((beforeDiscount * percentage) / 100).toFixed(2))
let afterDiscount = (beforeDiscount - discountAmount)
return { afterDiscount, beforeDiscount, discountAmount, percentage }
};