At May 1, 2017, Heineken Company had beginning inventory consisting of 300 units with a unit cost of $7. During May, the company purchased inventory as follows: 600 units @ $7 900 units @ $8 The company sold 1,500 units during the month for $12 per unit. Heineken uses the average cost method. Heineken's gross profit for the month of Mayis 6,750 11,250 13,500 18,000