A company had the following purchases and sales during its first year of operations: Purchases Sales January: 20 units at $200 16 units February: 30 units at $205 15 units May: 25 units at $210 19 units September: 22 units at $215 18 units November: 20 units at $220 21 units On December 31, there were 28 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.)