The controller for Tulsa Medical Supply Company has established the following activity cost pools and cost drivers. An order for 1,000 boxes of medical-testing agent has the following production requirements. Required: Compute the total overhead that should be assigned to the medical-testing agent order. What is the overhead cost per box of testing agent? Suppose Tulsa Medical Supply Company were to use a single predetermined overhead rate based on machine hours. Compute the rate per hour. Under the approach in requirement (3), how much overhead would be assigned to the medical-testing agent order? In total. Per box of testing agent