When John first starts his job, he rides the bus wherever he goes. However, after one year, John receives a promotion and a
pay raise, leading to an increase in his annual income. As a result of his pay raise, John decides to drive wherever he goes
instead of riding the bus. This behavior would indicate that to John, a bus ride is a(n) ______ good.
Select the correct answer below:
normal
inferior
complementary
ceteris paribus
