Marigold Bookstore had 520 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			395 @ $14
17		240 @ $12
25		220 @ $12
29			250 @ $16

Marigold does not maintain perpetual inventory records. According to a physical count, 335 units were on hand at January 31. The cost of the inventory at January 31, under the FIFO method is:

$3015.

$4068.

$4020.

$3500.