Required information [The following information applies to the questions displayed below]. Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and soles transactions for March. Required: 1. Compute cost of goods avallable for sale and the number of units availabie for sale. 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. Compute the cost assigned to ending inventory using FIFO. (1) Required information Compute the cost assigned to ending inventory using LIFO. Required information 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold Inclucle 140 units from beginning inventory. 270 units from the March 5 purchase, 120 units from the March 18 purchase, and 160 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar)