Required information Problem 5-1A (Algo) Periodic: Alternative cost flows LO P1 [The following information applies to the questions displayed below.] Warnerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions for March. For specific identification, the March 9 sale consisted of 70 units from beginning inventory and 450 units from the March 5 purchase; the March 29 sale consisted of 140 units from the March 18 purchase and 220 units from the March 25 purchase. Problem 5-1A (Algo) Part 4 4. Compute gross profit earned by the company for each of the four costing methods. Note: Round your average cost per unit to 2 decimal places and final answers to nearest whole dollar