On June 1, Dollar Hardware, Inc. had an inventory of 300 gas grills costing $100 each. Purchases and sales during June are as follows: Sales 100 $125 each Date Purchases June 3 June 10 50$110 each 150 $130 each June 17 June 28 50$120 each What is the cost of Dollar's inventory on June 30 using the FIFO method? O$16,500 o$15,000 o$16,000 $18,000