Glasgow Enterprises started the period with 80 units in beginning inventory that cost $2.70 each. During the period, the company purchased inventory items as follows. Glasgow sold 270 units after purchase 3 for $10.90 each.

Purchase	No. of Items	Cost
1	250	$ 3.20
2	110	$3.30
3	60	$3.70

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

A) $729

B) $824

C) $999

D) $915