may 1, work in process: materials cost, 3,000 units $8,700 conversion costs, 3,000 units, 50% completed 5,200 materials added during may, 10,000 units 26,100 conversion costs during may 33,800 goods finished during may, 11,500 units 0 may 31 work in process, 1,500 units, 50% completed 0 all direct materials are placed in process at the beginning of the process, and the first-in, first-out method is used to cost inventories. the materials cost per equivalent unit for may is
