A company had the following purchases and sales during its first year of operations: Purchases Sales January 21 units at $175 12 units February: 31 units at $180 15 units May: September: 23 units at $190 18 units November: 21 units at $195 25 units 26 units at $185 19 units On December 31, there were 33 units remaining in ending inventory. Using the Perpetual LIFO inventory valuation method, what is the cost of the ending inventory? (Assume all sales were made on the last day of the month.)