Sheridan 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			400 @ $15
17		210 @ $12
25		210 @ $10
29			260 @ $17

Sheridan does not maintain perpetual inventory records. According to a physical count, 270 units were on hand at January 31. The cost of the inventory at January 31, under the FIFO method is: