pany s.instructure.com/courses/1341084/assignments/8598976 5-1A Perez Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. (For specific identification, the March 9 sale consisted of 80 units from beginning inventory and 340 units from the March 5 purchase; the March 29 sale consisted of 40 units from the March 18 purchase and 120 units from the March 25 purchase.) In your Google Drive you will find a Spreadsheet called Warnerwoods Books to aid in your calculations. Date Activities Units Acquired at Cost Units Sold at Retail Mar 1 Beginning inventory Mar. 5Purchase.. Mar 9 Salesxs Mar. 18 Purchasec e. 400 units@$55.00 per unit 420 units@$85.00 per unit 120 units @ $60.00 per unit 200 units $62.00 per unit 60 units @ $95.00 per unt 580 units Mar. 29 Sales . Tocals.. 820 units Required 1. Compute cost of goods available for sale and the number of units available for sale 2. Computc the number of units in ending inventory. 3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO. c weighted average, and (d) specific identifcation. (Round all amounts to cents.) Compute gross proft earned by the company for cach of the four costing methods in part 3