Multi-step calculation example

multi-step-calculation.js

const calculateFinalPrice = function(basePrice, taxRate, discount) {
  const applyTax = function(price, rate) {
    return price + price * rate;
  }

  const applyDiscount = function(price, discount) {
    return price - discount;
  }

  let priceWithTax = applyTax(basePrice, taxRate);
  let finalPrice = applyDiscount(priceWithTax, discount);
  return finalPrice;
}

console.log(calculateFinalPrice(100, 0.2, 10)); // Output: 110