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 380 units @ $18 = $6,840 January 8 Purchase 360 units @ $20 = $7,200 January 12 Sale 640 units @ $70 January 17 Purchase 420 units @ $22 = $9,240 January 23 Sale 310 units @ $70 January 28 Purchase 480 units @ $24 = $11,520 If the company uses the LIFO perpetual inventory system, what would be the cost of the ending inventory?