// 100% coverage. One obvious bug.
// Teaching excerpts; see the explanation and boundaries on the episode page.

// Make the rule explicit
const priceAfterDiscount = (total, percent) =>
  total * (1 - percent / 100);

expect(priceAfterDiscount(100, 0)).toBe(100);
expect(priceAfterDiscount(100, 20)).toBe(80);