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

Mar.

1

Beginning inventory

70

units

@ $50.40 per unit

Mar.

5

Purchase

210

units

@ $55.40 per unit

Mar.

9

Sales

230

units

@ $85.40 per unit

Mar.

18

Purchase

70

units

@ $60.40 per unit

Mar.

25

Purchase

120

units

@ $62.40 per unit

Mar.

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, the March 9 sale consisted of 50 units from beginning inventory and 180 units from the March 5 purchase; the March 29 sale consisted of 30 units from the March 18 purchase and 70 units from the March 25 purchase. (Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.)