Baldwin Printing Company uses job order costing and applies overhead based on machine hours. A total of 150,000 machine hours have been budgeted for the year. During the year, an order for 1,000 units was completed and incurred the following: Direct material costs Direct labor costs Actual overhead Machine hours $1,000 $1,500 $1,980 450 The accountant computed the inventory cost of this order to be $4.30 per unit. The annual budgeted overhead in dollars was: Oa. $577,500. Ob. $600,000. Oc. $645,000. Od. $660,000.