Glasgow Enterprises started the period with 70 units in beginning inventory that cost $2.30 each. During the period, the company purchased inventory items as follows. Glasgow sold 260 units after purchase 3 for $10.60 each.

Purchase No. of Items Cost

1 200 $9.00
2 150 $9.30
3 50 $10.50

Glasgow sold 220 units after purchase 3 for $17.00 each.

Glasgow's cost of goods sold under FIFO would be:

a. $1,650.
b. $2,100.
c. $2,310.
d. $1,860.