Required: 1. Compute cost of goods available for sale and the number of units available for sale. 2. Compute the number of units in ending inventory. 2. Compute the number of units in ending inventory. 3. Compute the cost assigned to ending inventory using (a) FIFO. (b) specific identification-units sold consist of 560 units from beginning inventory and 160 units from the March 13 purchase, and (c) weighted average cost. (Round per unit to 2 decimals, but inventory balances to the dollar.) Complete this question by entering your answers in the tabs below. Compute the cost assigned to ending inventory using weighted average cost