Required information Problem 5-1A (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 95 units from beginning inventory, 225 units from the March 5 purchase, 75 units from the March 18 purchase, and 115 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.)