Saddlery Company sells leather saddles and equipment for horse enthusiasts. Saddlery uses the periodic inventory system. The following schedule relates to the company's inventory for the month of May: Cost Sales May 1 Beginning inventory 210 units $126,000 5 Sale 140 units $109,200 9 Purchase 70 units $46,200 13 Purchase 280 units $201,600 24 Sale 280 units $235,200 27 Sale 70 units $67,200 30 Purchase 105 units $83,160 Calculate Saddlery Company's cost of goods sold, gross margin, and ending inventory using FIFO. Cost of goods sold $ 336708.4 Gross margin $ 74891.6 Ending Inventory $ HA 120253