I need some help. With steps please!

Saddlery Company sells leather saddles and equipment for horse enthusiasts. Saddlery uses the perpetual inventory system. The following schedule relates to the company's inventory for the month of May: Cost Sales May 1 Beginning inventory 150 units $60,000 5 Sale 100 units $52,000 9 Purchase 50 units $22,000 13 Purchase 200 units $96,000 24 Sale 200 units $112,000 27 Sale 50 units $32,000 30 Purchase 75 units $39,600 Calculate Saddlery Company's cost of goods sold, gross margin, and ending inventory using FIFO. Cost of goods sold $ Gross margin $ Ending Inventory $ eTextbook and Media Question Part Score Calculate Saddlery Company's cost of goods sold, gross margin, and ending inventory using weighted-average. (Round calculations for cost per unit to 2 decimal places, e.g. 10.52 and final answers to O decimal places, e.g. 61,052.) Cost of goods sold $ Gross margin $ Ending Inventory $