In the market for wireless earbuds (a normal good), explain whether the following events would cause an increase or a decrease in demand or an increase or a decrease in the quantity demanded.

Also explain what happens to the equilibrium quantity and the market clearing price.

a. There is an increase in the price of carry cases for wireless earbuds.

b. There is a decrease in the price of devices used to charge wireless earbuds.

c. There is an increase in the number of consumers of wireless earbuds.

d. A booming economy increases the income of the typical buyer of wireless earbuds.

e. Consumers of wireless earbuds anticipate that the price of this good will decline in the future.