The inventory data for an item for November are:

Nov. 1	Inventory	20 units at $19
4	Sold	10 units
10	Purchased	30 units at $20
17	Sold	20 units
30	Purchased	10 units at $21

Using a perpetual system, what is the cost of the goods sold for November if the company uses FIFO?

Choices~

A) $610

B) $600

C) $590

D) $580