Hamada Inc, manufactures cover for car seats. It's costing system utilizes two cost categories, direct materials and conversion costs. Each product must pass through two Departments X and Y. Direct materials are added at the beginning of production. Conversion costs are allocated evenly throughout production Data for Department X for February 2020 are: WIP beginning, 40% complete 300 units, Units started during February 600 units, and WIP ending 30% complete 100 units. The equivalent units of conversion using weighted average method is a. 840 units O b. 730 units O.c.830 units. d. 740 units