Blue Ridge Marketing Inc. manufactures two products, A and B. Presently, the company uses a single plantwide factory overhead rate for allocating overhead to products. However, management is considering moving to a multiple department rate system for allocating overhead. The following table presents information about estimated overhead and direct labor hours. The overhead from both production departments allocated to each unit of Product B if Blue Ridge Marketing Inc. uses the multiple production department factory overhead rate method is a. $425.60 per anit b. $214+40 per unit c. $320.00 per unit d. 511520 per umit