The inventory data for an item for June are:

Nov. 1	Inventory	20 units at $20
4	Sold	10 units
10	Purchased	13 units at $24
17	Sold	20 units
30	Purchased	10 units at $22

Using the perpetual system, costing by the last-in, first-out method (LIFO), what is the cost of the merchandise inventory of 13 units on June 30?

$288

$270

$280

$220