At May 1, 2017, Sheridan Company had beginning inventory consisting of 250 units with a unit cost of $6.0. During May, the company purchased inventory as follows: - 500 units at $6.0 . 760 units at $7.0 The company sold 1260 units during the month for $10.0 per unit. Heineken uses the average cost method. The average cost per unit for May is $6.00. $6.50. $7.00. $6.60