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

Date

Activities

Units Acquired at Cost

Units Sold at Retail

Jan.

1

Beginning inventory

600

units

@ $60 per unit

Feb.

10

Purchase

480

units

@ $57 per unit

Mar.

13

Purchase

120

units

@ $42 per unit

Mar.

15

Sales

785

units

@ $80 per unit

Aug.

21

Purchase

180

units

@ $65 per unit

Sept.

5

Purchase

470

units

@ $63 per unit

Sept.

10

Sales

650

units

@ $80 per unit

Totals

1,850

units

1,435

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, 380 from the February 10 purchase, 120 from the March 13 purchase, 130 from the August 21 purchase, and 205 from the September 5 purchase. 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.) 5. The companys manager earns a bonus based on a percent of gross profit. Which method of inventory costing produces the highest bonus for the manager?