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. roblem 5-1A (Algo) Part 4 . Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 55 nits from beginning inventory, 185 units from the March 5 purchase, 35 units from the March 18 purchase, and 75 units from the March 5 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.)