need help on question 5 please

Required information The following information applies to the questions displayed below.) Wamerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March CELESTE Retail Dace Activities MARIBeginning inventory MAT: Purchase Mar 9 sales MB 18 Purchase Mar 25 Purchase May 29 Sales Totale Une Adquired Cont 90 units $50.80 per unit 220 unita $55.80 per unit 80 units $60.00 per unit 140 unitse $62.80 per unit 250 unito $85.80 per unit 530 units 120 unito $95.80 per unit 370 units 4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, the March 9 sale consisted of 60 units from beginning inventory and 190 units from the March 5 purchase; the March 29 sale consisted of 40 units from the March 18 purchase and 80 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.) FIFO LIFO Avg. Cost Spec. ID Gross Margin Sales LAM: Cont of goods sold Gronn profil