A company's inventory records indicate the following data for the month of January:

Date	Activities	Units Acquired at Cost	Units Sold at Retail
January 1	Beginning inventory	420 units @ $18 = $7,560
January 8	Purchase	400 units @ $20 = $8,000
January 12	Sale		720 units @ $70
January 17	Purchase	460 units @ $22 = $10,120
January 23	Sale		330 units @ $70
January 28	Purchase	520 units @ $24 = $12,480

If the company uses the LIFO perpetual inventory system, what would be the cost of the ending inventory?

Multiple Choice

$7,260.

$17,140.

$15,060.

$20,240.

$21,020.