Crane Bookstore had 450 units on hand at January 1. costing $10 each. Purchases and sales during the month of January were as follows: Date Purchases Jan. 14 Sales 350 @ $13 17 200 @ $8 200 @ $12 25 29 200 @ $15 Crane does not maintain perpetual inventory records. According to a physical count, 300 units were on hand at January 31 The cost of the inventory at January 31, under the FIFO method is: O $2400 $3200. $3600 $3000