Wamewoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for Mac Units Solat eta Benin Inventory Sales Aguedat cost 320 units 353.40 per unit 205 units 558.40 per unit 145 units @ $63.40 per unit 270 units $65.40 per unit 300 units @ $88.40 per unit purchase Sle Total 920 units 250 units $98,40 per unit 638 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification units sold include 125 stor beginning inventory, 255 units from the March 5 purchase, 105 units from the March 18 purchase, and 145 units from the are 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.) LIFO Weighted Average Specific ID