Can someone help me understand this question?

Johansen Company has the following estimated costs for the year:

Direct materials Direct labor Rent on factory building Sales salaries Depreciation on factory equipment Indirect manufacturing materials $ 6,000 $ 100,000 $ 15,000 $ 25,000 $ 8,000 $ 12,000 Production supervisor's salary $ 15,000 Johansen pays $5 per hour for direct labor. If manufacturing overhead is applied on the basis of direct labor hours, the predetermined overhead rate per direct labor hour will be