Which of the following events could cause an increase in the supply of ceiling Fans?
选项:
A: The number of sellers of ceiling fans increases.
B: There is an increase in the price of air conditioners, and consumers regard air Conditioners and ceiling fans as substitutes.
C: There is an increase in the price of the motor that powers ceiling fans.
D: All of the above are correct.
发布时间:2024-06-21 11:17:43