29) The management accountant at Morrison, Inc. provided the following estimated costs for producing 2,500 units of a specialty product manufactured by the firm: Direct Materials Direct Labor (I hour per unit) Unit-level support costs Batch level support costs Product-level support costs s 10,000 5,000 10,000 5,000 3,000 7,000 Facility-level support costs The company believes that direct labor hours are the most appropriate cost driver for assigning overhead costs to its product. Required: 1) Compute the predetermined overhead rate for this company 2) Compute the specialty product's total estimated cost per unit. 3) Why do firms assign overhead costs using a predetermined overhead rate instead of assigning actual costs