A company's inventory records indicate the following data for the month of January: Date January 1 Activities Beginning inventory January 8 Purchase January 12 Sale January 17 January 23 January 28 Purchase Sale Purchase Units Acquired at Cost 360 units @ $18 = $6,480 340 units @ $20 = $6,800 Units Sold at Retail 600 units @ $70 400 units @ $22 = $8,800 300 units @ $70 460 units @ $24 = $11,040 If the company uses the LIFO perpetual inventory system, what is the value of cost of goods sold?