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Value Added Tax (VAT) and Luxury tax

Automatic conversion from boolean to number in an arithmetic operation.

Code
Diff
  • function finalPrice(price) {
  const vat = 1.1 + 0.3 * (price >= 1000);
  
  return (price * vat).toFixed(2);
}
    • function finalPrice(price) {
    • const vat = 0.1,
    • lux = 0.3,
    • luxThreshold = 1000;
    • const vat = 1.1 + 0.3 * (price >= 1000);
    • const multiplier = price >= luxThreshold ? 1+vat+lux : 1+vat;
    • return (price * multiplier).toFixed(2);
    • return (price * vat).toFixed(2);
    • }