The manager of a gas station noticed that when prices in the convenience store of the gas station decreased,gas sales increased.This could possibly be because the convenience store products are
A)usually complements to the gas sales
B)usually substitutes to the gas sales
C)usually unrelated to the gas sales
D)none of the above

Question

The manager of a gas station noticed that when prices in the convenience store of the gas station decreased,gas sales increased.This could possibly be because the convenience store products are
A)​usually complements to the gas sales 
B)usually substitutes to the gas sales
C)usually unrelated to the gas sales
D)​none of the above

Quizplus · Accepted Answer

Complementary goods are products that are used together, such as gasoline and snacks or drinks. When the prices of convenience store products decrease, customers may be more likely to buy them and therefore also purchase gasoline while they are at the gas station. This suggests that the convenience store products are complements to gas sales.

The Manager of a Gas Station Noticed That When Prices