On July 1, Deuce Hardware, Inc. had an inventory of 300 gas grills costing $100 each. Purchases and sales during July are as follows: Purchases Sales 100 @ $125 each Date July 3 July 10 July 17 July 28 50 @ $110 each 150 @ $130 each 50 @ $120 each What is the cost of Deuce's ending inventory on July 31 using the LIFO periodic method? O $15,000 $18,000 $ 16,500 O $16,000