A company had the following purchases and sales during its first year of operations: Purchases Sales January: February: 22 units at $180 14 units 32 units at $185 12 units May: September: 27 units at $190 16 units 24 units at $195 15 units November: 22 units at $200 28 units On December 31, there were 42 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.) $7,815. $9,315. $9,839. $9,387. $14,445.