Second department During August, Tibbetts's Casing Department equivalent unit product costs, computed under the weighted average method, were as follows: August to Finished Goods Inventory. a. Compute the total costs that should be assigned to the August 31, Work in Process. \$ b. Compute the total cost of units transferred to finished goods. \$ c. Prepare the journal entry that Tibbetts's accountant should make at the end of August related to the units transferred out