Jason is a member of Group J, who are less productive than Mario's group (Group M). The average productivity of Group J is 15, while the average productivity of Group M is 30. Jason and Mario take a test which is accurate 25% of the time and each receives an identical score of 25 points.

a. If the firm is a profit maximizer, what wage offer will Jason receive?

b. If the firm is a profit maximizer, what wage offer will Mario receive?

c. Would the firm offer Jason a wage of $25 if this test was accurate 75% of the time? Why or why not?

d. Explain why J workers have less incentive to obtain costly training than M workers