Purchases Sales 10 units at s units January: February:20 units at May: September: 12 units at November:s15e On December 31, there were 26 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) $130 5 units $135 15 units at $140 8 units $145 10 units at 11 units Multiple Choice $3,665 3,560 $3,460 $3,864 $5.510