The following information is available for Department Z for the month of July: Work in process, July 1 (70% complete) Direct materials Direct labor Units 2,000 Cost $ 6,000 3,000 Manufacturing overhead 4,000 Total work in process, July 1 $13,000 Started in July 20,000 Costs added: Direct materials Direct labor Manufacturing overhead Total costs added during July Work in process, July 31 (7.5% complete) $18,000 8,000 10,000 $36,000 2,000 Materials are added at the beginning of the process. Department Z's cost of goods transferred out using the FIFO method would be: O a. $44,500. O b. $40,250. Oc. $45,540. Od. $47,056