McElroy, Incorporated produces a single model ofa popular cell phone in large quantities. A single cell phone moves through two departments, assembly and testing. The manufacturing costs in the assembly department during March follow: Dir'ect materials 55 126,666 Conversion costs 126,?56 $ 249,?59 The assembly department has no beginning WorkinProcess Inventory. During the month, it started 20,000 cell phones, but only 15,000 were fully completed and transferred to the testing department. All parts had been made and placed in the remaining 5,000 cell phones, but only 50% of the conversion had been completed. The company uses the weighted-average method of process costing to accumulate product costs. Required: 'I. Compute the equivalent units and costs per equivalent unit for March in the assembly department. 2. Compute the cost of units completed and transferred to the testing department. 3. Compute the cost of the ending WorkinProcess