[RKB16]

Platinum Company's inventory of XL125 on January 1 was 8,000 gallons, costing $0.45 per gallon (periodic inventory). In addition to this beginning inventory, purchases during the next six months were as follows:
Date Quantity (Gallons) Cost per Gallon Total Cost
Jan. 1 Inventory 8,000 $0.45 $3,600
Jan. 15 9,000 0.46 4,140
Feb. 17 11,000 0.47 5,170
Mar. 9 6,000 0.465 2,790
Apr. 20 7,000 0.48 3,360
May 14 10,000 0.49 4,900
June 6 12,000 0.50 6,000
June 28 5,000 0.51 2,550

The inventory on June 30 was 12,000 gallons. During this six-month period, Platinum Company sold XL125 for $0.70 per gallon. Assume that no liquid was lost through evaporation or leakage.

Find the cost of the ending inventory by the following methods:
Weighted-average-cost. Round intermediate calculations to three decimal places. Round your final answer to the nearest dollar.
$

First-in, first-out.
$

Last-in, first-out.
$