$6)$ Wendell can sell five motor homes per week at a

price of $$22,000.$ If he lowers the price of motor

homes to $$20,000$ per week he will sell six motor

homes. What is the marginal revenue of the sixth

motor home?

A$)$ $$10,000$

B$)$ $$12,000$

C$)$ $$20,000$

D$)$ $$22,000$

$27)$ If a monopolist's price is $$50$ at $63$ units of output

and average total cost equals $$43,$ then at this price,

the firm's total profit is

A$)$ $$3,150$

B$)$ $$2,709$

C$)$ $$441$

D$)$ $$7$

$28)$ Which of the following is true about the demand

for a monopolist versus a firm in pure competition?

A$)$ The demand is horizontal for a monopolist because

price is the set by the market.

B$)$ The demand is downward sloped for a monopolist

because the monopolist can sell more units by

lowering its price.

C$)$ The demand is downward$-$sloped for pure

competition because firms are price takers, and their

quantity of sales may not affect price.

D$)$ The demand is horizontal for a monopolist because

the monopolist can sell more units by lowering its

price.