1.A successful advertising campaign may allow competing monopolists to

a. the steeper perceived demand curve to become flatter

b. perceived demand curve to shift to the left.

c. perceived demand curve to shift to the right.

d. a steeper perceived demand curve, as well as c above.

2.A successful advertising campaign may allow competing monopolists to

a. sell a greater quantity.

b. charge a higher price.

c. increase its profits.

d. all of the above.

please answer both multiple choices