12.Suppose a monopolist faces demand conditions given by P = 20-Q, MR=20-2Q, and MC=ATC is constant at $4 per unit. What output level should this firm produce?

A)8

B)6

C)7

D)5

Continue with question 12: What is the profit-maximizing MR for this monopolist?

A)$5

B)$4

C)$2

D)$3

Continue with question 12: What is the profit for this monopolist?

A)$32

B)$88

C)$64

D)$36