An increase in the price of a good will decrease the quantity demanded.

The price of a good will increase if production input costs increase.

An increase in taxes will decrease the supply of a good.

An increase in the number of sellers will increase the supply of a good.

An increase in the price of a good will increase the quantity supplied.

• A decrease in the number of computer manufacturers

A decease in taxes on computer manufacturers

A decrease in the price of computers

A decrease in the price of components used to assemble computers

• An increase in the price of mobile devices, a substitute good

The demand curve will shift to the right.

The supply of the good will increase.

The quantity supplied of the good will decrease.

Demand for the good will increase

Quantity demanded for the good will decrease.