Question

When consumers purchase cell phones, they also often purchase a protective case to take care of the cell phone. As the price of a cell phone rises, the demand for a protective case shifts to the left. This means cell phones and a protective case are

Answer 1

Complement

Step-by-step explanation:

Complementary goods are goods that are consumed together. if the price of a good rises, the quantity of the other good falls and if the price of a good falls, the demand for the complement would rise.

If the price of a cell phone rises, the demand for a protective case shifts to the left, it means that the demand for protective cases fell. so, when the price of cell phones rose, the demand for protective cases fell.