plz answer this question quick:). (will like up)

Adirondack 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 DLH per Product Total Direct Labor Hours Overhead B Painting Dept $251,200 11,700 3 10 Finishing Dept. 66,700 10,500 2 3 Totals $317,900 22,200 5 13 The single plantwide factory overhead rate for Adirondack Marketing Inc. is Oa. $6.35 per dlh Ob. $21.47 per dih Oc. $14.32 per dlh Od. $3.60 per dlh