At May 1, 2016, Bibby Company had beginning inventory consisting of 200 units with a unit cost of $7. During May, the company purchased inventory as follows: 800 units at $7 - $ 5,600 500 units at $9 - $4,500 1500 whits The company sold 500 units during the month for $12 per unit. Bibby uses the average cost method. The value of Bibby's inventory at May 31, 2016 is