The Boxwood Company sells blankets for $60 each. The following was taken from the inventory records during May. The company had no beginning inventory on May 1.

Date	Blankets	Units	Cost
May 3	Purchase	5	$30
10	Sale	3
17	Purchase	10	$34
20	Sale	6
23	Sale	3
30	Purchase	10	$40

Assuming that the company uses the perpetual inventory system, determine the gross profit for the sale of May 23 using the average inventory cost method.