Elston Company had a beginning inventory of 200 units at the cost of $12 per unit on August 1

. During the month, the following purchases and sales were made.

These are the purchases:

August 4 250 units at $13

August 15 350 units at $15

August 28 200 units at $14

These are the sales:

August 7 150 units

August 11 100 units

August 17 250 units

August 24 200 units

I am sorry, but this is the complete question.