June 3 Purchased goods for $3,900 from Diamond Inc. with terms 2.5/10, n/30.

5 Returned goods costing $1,100 to Diamond Inc. for full credit.

6 Purchased goods from Club Corp. for $250 with terms 3.0/10, n/30.

11 Paid the balance owed to Diamond Inc.

22 Paid Club Corp. in full.

WHAT IS COST OF INVENTORY