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 Activities Units Acquired at Cost Units Sold at Retail Date Mar. 1 Beginning Mar. 5 Purchase Mar. 9 Sales Mar.18 Purchase Mar.25 Purchase Mar.29 Sales 140 units $51.80 per unit inventory 245 units $56.80 per unit e $86.80 per 300 units unit 105 units unit e $61.80 per 190 units $63.80 per 170 units $96.80 per 680 units 470 units lotals 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 85 units from beginning inventory and 215 units from the March 5 purchase; the March 29 sale consisted of 65 units from the March 18 purchase and 105 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.)