Swifty Company sells many products. Whamo is one of its popular items. Below is an analysis of the inventory purchases of Whamo for the month of March. At the end of the month, there were 140 units on hand. Swifty Company uses the periodic inventory system. Purchases Units Unit Cost Mar. 1 Beginning inventory 120 $62 Mar. 3 Purchase 80 77 Mar. 10 Purchase 220 84 Mar. 30 Purchase 60 92 Using the FIFO cost formula, calculate the cost of goods sold for March Cost of goods sold $ Using the weighted average cost formula, calculate the inventory on hand on March 31. Cost of ending inventory $