The following is the inventory for the year for Brown Lumber: Date Units Cost per unit Total Cost Beginning inventory, Jan. 1 500 $10 $ 5,000 Purchase, March 15 2,500 $11 27,500 Purchase, September 20 1,500 $13 19,500 Purchase, December 10 500 $14 7,000 Total Units Available 5,000 $59,000 Using the average cost pricing method, Brown Lumber determined that the dollar value of the ending inventory was $7,316. How many actual units of plywood are included in this ending inventory? (Round the average cost per unit to the nearest cent)