Tamara Company inventory records show the following inventory purchases for its first year of operations: Units Unit Cost January 1 3,000 $7.00 May 14 4,100 6.00 October 30 3,900 5.00 A physical inventory on December 31 shows 2,000 units on hand. Under the FIFO method, how much is the December 31 inventory balance (value of ending inventory)?