f3 Problem 6-1A Part 4 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.) 31:45 Sales Gross Margin FIFO LIFO Avg. Cost Spec. ID $ 32,946 $ 32,946 $ 32,946 $ 32,946 k Less: Cost of goods sold Gross profit ces