Requlred Information Problem 51A (Algo) Perpetual: Alternative cost flows LO P3 [The following information applies to the questions displayed below.] Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Problem 5-1A (Algo) Part 4 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 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 welghted average cost per unlt to two declmols and flnal answers to nearest whole dollar.)