Please help with this problem. ignore the numbers inputted so far. I am confused

Exercise 6-7 IJsa Company had 156 units in beginning inventory at a total cost of $15,912. The company purchased 312 units at a total cost of $44,616. At the end of the year; Lisa had 125 units in ending inventory. (a) Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average-cost. (Round average-cast per unit and nal answers to a decimal places, e.g. 1,250.) The cost of the ending Inventory $ 17,875 $ 12,750 $ The cost of goods sold $ $ $