A company had the following purchases and sales during its first year of operations: Purchases January: 19 units at $165 February: 29 units at $170 May: 24 units at $175 September: 21 units at $180 November: 19 units at $185 Sales 10 units 14 units 18 units 17 units 20 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.) Multiple Choice O $8,704. $7,713. O O $8,107 O $5,625. O $11,690