Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March.

Date	Activities	Units Acquired at Cost			Units Sold at Retail
March 1	Beginning inventory	70	units	@ $50.40 per unit
March 5	Purchase	210	units	@ $55.40 per unit
March 9	Sales				230	units	@ $85.40 per unit
March 18	Purchase	70	units	@ $60.40 per unit
March 25	Purchase	120	units	@ $62.40 per unit
March 29	Sales				100	units	@ $95.40 per unit
	Totals	470	units		330	units

4. Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include 50 units from beginning inventory, 180 units from the March 5 purchase, 30 units from the March 18 purchase, and 70 units from the March 25 purchase.

Note: Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.