4. Compute gross profit earned by the company for each of the four costing methods. Note: Round your average cost per unit to 2 decimal places. FIFO LIFO Weighted Average Specific Identification Sales Less: Cost of goods sold Gross profit $ 0 $ 0 $ 0 $ 0 Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactie Date January 1 Activities Beginning inventory February 101 Purchase March 13 Purchase March 15 August 21 September 5 Sales Purchase Purchase September 10 Sales Totals Units Acquired at Cost 600 units @ $40 per unit $37 per unit Units Sold at Retail 400 units 190 units $15 per unit 805 units $70 per unit 190 units 550 units e $45 per unit $43 per unit 740 units @ $70 per unit 1,545 units 1,930 units Required: Problems (Chaps 5 & 6) Saved Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactions. Date January 1 Units Sold at Retail Activities Beginning inventory February 10 Purchase March 13 Purchase March 15. Sales August 21 Purchase September 5 Purchase September 10 Sales Totals Required: Units Acquired at Cost 600 units $40 per unit 400 units $37 per unit 190 unita $15 per unit 805 units $70 per unit 190 units 550 units $45 per unit $43 per unit 1,930 units 740 units $70 per unit 1,545 units 1. Compute cost of noods available for cale and that numb