A company had the following purchases and sales during its first year of operations: Purchases Sales January 10 units at $120 6 units February 20 units at $125 5 units May: 15 units at $130 9 units September: 12 units at $135 8 units November: 10 units at $140 13 units On December 31, there were 26 units remaining in ending inventory. Using the Perpetual LIFO inventory valuation method, what is the value of cost of goods sold? (Assume all sales were made on the last day of the month.) $5,400 $5,305 $5,470 $8,670 $5,470