Required information [The following information applles to the questions displayed below.] Warnerwoods Company uses a perpetual Inventory system. It entered Into the following purchases and sales transactions for March. 4. Compute gross profit earned by the company for each of the four costing methods. For specific identlfication, units sold include 130 units from beginning Inventory, 260 units from the March 5 purchase, 110 units from the March 18 purchase, and 150 units from the March 25 purchase. Note: Round welghted average cost per unit to two decimals and final answers to nearest whole dollar