An Apple employees personal cost of working is C(H)= 1000 + 2H2, where H is the number of hours he works hard.Without any effort, he sells an average 1.2 iMac per week, but for each hour the employee works hard, he has 15% probability of selling an extra iMac. Each iMac he sells generates $800 gross profit for the Apple store. Suppose via the continuous monitoring technology, Applecan observe whether the employeesis working hard or notdirectly, how many hours will Apple require the employee to work hard every week?

A. 20

B. 30

C. 40

D. None of the above