2 View Polides Current Attempt in Progress Quayle Bookstore had 500 units on hand at January 1, casting $9 each. Purchases and sales during the month of January were as follows: Purchases Sales Date Jan 14 17 380 @ $15 250 @ $10 250 @ $12 25 29 260 @ $17 According to a physical count, 360 units were on hand at January 31. The cost of the inventory at January 31, under the FIFO method is: O $3.240 O $3.820 O $4100 O $3,650