Comfy Clothing is thinking of hiring Tom. If hired, he can increase total production by 100 units a week. He would cost the firm $1,500 a week in wages. If the price of each unit is $20:_______

a. the MR of hiring the worker is $2,000
b. The MC of hiring Tom is $1,500
c. The firm should hire Tom since MR>MC
d. All of the above