Coronado Bookstore had 490 units on hand at January 1, costing $9 each. Purchases and sales during the month of January were as follows: Date Purchases Sales Jan. 14 430 @ $14 17 260 @ $10 29 22 25 260 @ $12 260 @ $17 Coronado does not maintain perpetual inventory records. According to a physical count, 320 units were on hand at January 31. The cost of the inventory at January 31, under the LIFO method is: