4. Compute gross profit earned by the company for each of the four costing methods. (Round you Required Information Weighted AverageIdentification Specific FIFO LIFO following purchases and sales transactions for March. Sales Less: Cost of goods sold Gross profit Date Units Acquired at Cost Units Sold at Retal Beginning a $70.00 per Mar. 1 180 units inventory unit $75.00 per Mar. 5 Purchase 480 units unit @ $105.00 per Mar. 9 Sales 500 units unit $80.00 per unit @ $82.00 per unit Mar. 18 Purchase 280 units Mar. 25 Purchase 360 units References eBook & Resources $115.00 per Mar. 29 Sales 320 units Difficulty: 3 Hard Leaming methods of s unit Totals 1,300 units 820 units Check my work For specific identification, the March 9 sale consisted of 90 units from beginning inventory and 410 units from the March 5 purchase the March 29 sale consisted of 120 units from the March 18 purchase and 200 units from the March 25 purchase