Bonita Bookstore had 510 units on hand at January 1, costing $8 each. Purchases and sales during the month of January were as follows: Date Purchases Sales Jan. 14 395 @ $13 17 280 @ $12 222 29 25 280 @ $11 230 @ $18 Bonita does not maintain perpetual inventory records. According to a physical count, 445 units were on hand at January 31. The cost of the inventory at January 31, under the FIFO method is: O $3560. O $4385. O $5424. O $5060