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Required information Problem 6-1A Perpetual: Alternative cost flows LO P1 {The following information applies to the questions displayed below) Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March Units sold at Retail Date Activities Mar. 1 Beginning inventory Mar 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar 25 Purchase Mar. 29 Sales Totals Units Acquired at Cost 230 units 553.60 per unit 290 units 558,60 per unit 150 units $63.60 per unit 280 units $65.60 per unit 390 unito $88.60 per unit 268 units $98.60 per unit 650 units 950 units Problem 6-1A Part 4 4. Compute gross profit eamed by the company for each of the four costing methods. For specific identification, the March 9 sale consisted of 130 units from beginning inventory and 260 units from the March 5 purchase the March 29 sale consisted of 110 units from the March 18 purchase and 150 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 Loss Cost of goods sold Gross profit