Builder Products, Incorporated, uses the weighted-average method in its process costing system. It manufactures a caulking compound that goes through three processing stages prior to completion. Information on work in the first department, Cooking, is given below for May: 3. Compute the cost of ending work in process inventory for materials, conversion, and in total for May. 4. Compute the cost of units transferred out to the next department for materials, conversion, and in total for May