I need help with my assignment please.

Type your answer in the box. A department begins the month with 100 units at a cost of $7,500 and 25% complete in work in process. An additional 1,000 units are started during the month and additional costs incurred are $12,500. At the end of the month, there are 200 units still in process which are 50% complete. Using FIFO, the ending balance in Work in Process Inventory is $ (rounded to nearest dollar)