I need help in computing the average-cost

Please show me the work.

Thanks,

Lisa Company had 274 units in beginning inventory at a total cost of $29,866. The company purchased 548 units at a total cost of $71,240. At the end of the year, Lisa had 219 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-cost per unit and final answers to 0 decimal places, e.g. 1,250.) FIFO The cost of the ending inventory LIFO $ 28470 $ $ $ $ 23871 $ The cost of goods sold 72636 Average-cost 77235