Compute gross profit earned by the company for each of the four costing methods. For specific identification, the March 9 sale consisted of 110 units from beginning inventory and 240 units from the March 5 purchase; the March 29 sale consisted of 90 units from the March 18 purchase and 130 units from the March 25 purchase.(Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.)

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