At May 1, 2017, Tamarisk, Inc. had beginning inventory consisting of 310 units with a unit cost of $7.0. During May, the company purchased inventory as follows: .620 units at $7.0 .940 units at $8.0 The company sold 1560 units during the month for $12.0 per unit. Tamarisk, Inc. uses the average cost method. Tamarisk, Inc.'s gross profit for the month of May is $7020. $11700. $14030. $18720