9 CO PROBLEM 4-17 Cost Flows L04-1 Lubricants, Inc., produces a special kind of grease that is widely used by race car drivers. The grease is produced in two processing departments-Refining and Blending. Raw materials are introduced at various points in the Refining Department. The following incomplete Work in Process account is available for the Refining Department for March: March 1 balance Materials Direct labor Overhead March 31 balance Work in Process-Refining Department 38,000 Completed and transferred to Blending 495,000 ? 72,000 181,000 ? The March 1 work in process inventory in the Refining Department consists of the following elements: materials, $25,000; direct labor, $4,000; and overhead, $9,000. Costs incurred during March in the Blending Department were: materials used, $115,000; direct labor, $18,000; and overhead cost applied to production, $42,000. Required: 1. Prepare journal entries to record the costs incurred in both the Refining Department and Blending Department during March. Key your entries to the items (a) through (g) below. a. Raw materials used in production. b Direct labor costs incurred MacBook Air ww