How would you solve this?

Q 3.26: Last month, Marvin Manufacturing had 2,600 units in beginning work in process inventory that were 25% complete. During the month, 8,900 units were started into production, and at the end of the month, there were 3,000 units of ending work in process inventory that were 60% complete. For the month, Marvin's total materials cost was $63,250 and its total conversion cost was $51,500. All materials are added at the beginning of the process, while conversion costs are incurred uniformly throughout the process. What was the total cost of units in ending inventory at the end of the month? .-T. $89,250 $9. $25,500 fa $46,750 ('5'. $42,500