Gray Company uses a plantwide overhead rate with machine hours as the allocation base. Use the following information to solve for the amount of machine hours estimated per unit of product Q Direct material cost per unit of Q Total estimated manufacturing overhead Total cost per unit of o Total estimated machine hours Direct labor cost per unit of Q 15 $100,000 60 200,000 MH 30 50 MH per unit of Q. 50 MH per unit of Q 75 MH per unit of Q 17.5 MH per unit of Q 30 MH per unit of