Montoure Company uses a perpetual inventory system. It entered into the following calendar-year 2013 purchases and sales transactions.

Date Activities Units Acquired at Cost Units Sold at Retail

Jan. 1 Beginning inventory 600 units @ $ 35 /unit

Feb. 10 Purchase 300 units @ $ 32 /unit

Mar. 13 Purchase 150 units @ $ 20 /unit

Mar. 15 Sales 725 units @ $ 80 /unit

Aug. 21 Purchase 190 units @ $ 40 /unit

Sept. 5 Purchase 540 units @ $ 37 /unit

Sept. 10 Sales 730 units @ $ 80/unit

Totals 1,780 units 1,455 units

Required:

1. Compute cost of goods available for sale and the number of units available for sale.

2. Compute the number of units in ending inventory.

3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c) weighted average, and (d) specific identification. For specific identification units sold consist of 600 units from beginning inventory, 300 from the February 10 purchase, 150 from the March 13 purchase, 100 from the August 21 purchase, and 200 from the September 5 purchase. (Round your average cost per unit to 2 decimal places.)

4. Compute gross profit earned by the company for each of the four costing methods. (Round your average cost per unit to 2 decimal places.)