Required information Problem 5-2AA (Algo) Periodic: Alternative cost flows LO P3 [The following information applies to the questions displayed below] Wamerwoods Company uses a periodic inventory system. It entered into the following purchases and sales transactions for March. For specific identification, units sold include 60 units from beginning inventory, 455 units from the March 5 purchase, 135 units from the March 18 purchase, and 215 units from the March 25 purchase. roblem 5-2AA (Algo) Part 4 - Compute gross profit earned by the company for each of the four costing methods. ote: Round your average cost per unit to 2 decimal places and final answers to nearest whole dollar