Kimbeth manufacturing uses a process cost system to manufacture dust density sensors for the mining industry. the following information pertains to operations for the month of may. units beginning work-in-process inventory, may 1 16,000 started in production during may 100,000 completed production during may 92,000 ending work-in-process inventory, may 31 24,000 the beginning inventory was 60% complete for materials and 20% complete for conversion costs. the ending inventory was 90% complete for materials and 40% complete for conversion costs. costs pertaining to the month of may are as follows: • beginning inventory costs are materials, $54,560; direct labor, $20,320; and overhead, $15,240. • costs incurred during may are materials used, $468,000; direct labor, $182,880; and overhead, $391,160. using the fifo method, kimbeth’s equivalent units of production for conversion costs are