Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions for March. Date Activities Units Acquired at Cost Units Sold at Retail Mar. 1 Beginning inventory 170 units @ $60 per unit Mar. 5 Purchase 470 units @ $65 per unit Mar. 9 Sales 490 units @ $95 per unit Mar. 18 Purchase 260 units @ $70 per unit Mar. 25 Purchase 340 units @ $72 per unit Mar. 29 Sales 300 units @ $105 per unit Totals 1,240 units 790 units Required: In the space provided on pages 2 -4 complete the following: 1. Compute the cost of goods available for sale and the number of units available for sale. (6 pts) 2. Compute the number of units in ending inventory. (2 pts) 3. Compute the cost assigned to ending inventory and cost of goods sold using: a) FIFO, b) LIFO, c) weighted average. (24 pts) 4. Compute gross profit earned by the company under each of the costing methods in Part 3. (4 pts)