A company had the following purchases and sales during its first year of operations: Purchases January: February: May: September: November: 15 units at $160 Sales 8 units 25 units at $165 10 units 20 units at $170 14 units 17 units at $175 13 units 15 units at $180 18 units On December 31, there were 29 units remaining in ending inventory. Using the perpetual LIFO inventory costing method, what is the cost of the ending inventory? (Assume all sales were made on the last day of the month.) Multiple Choice $6,423. $4,790. $6,113. $6,574