Glasgow Enterprises started the period with 80 units in beginning inventory that cost $7.50 each.

During the period, the company purchased inventory items as follows

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.