The following data are available for one of the products sold by Dahlia Company, which uses a perpetual inventory system: Mar. 1 Beginning inventory, 500 units at $4.00 each 7 Purchased 2,000 units at $5.00 each 12 Sold 2,300 units 17 Purchased 1,800 units at $6.00 each 27 Sold 1,900 units 1. Calculate cost of goods sold for March and the dollar amount of ending inventory on March 31 assuming FIFO is used. 2. Calculate cost of goods sold for March and the dollar amount of ending inventory on March 31 assuming LIFO is used. 3. Calculate cost of goods sold for March and the dollar amount of ending inventory on March 31 assuming average cost is used. (Round average cost per unit to two decimal places. Round other amounts to the nearest dollar.)