During the month of June, Ace Incorporated purchased goods from two suppliers. The sequence of events was as follows: June 3 purchased goods for $3,700 fros Diamond Incorporated with terms 3/12,n/45. June 5 Returned goods costing $800 to Dianond Incorporated for credit on account. June 6 Purchased goods from club Corporation for $750 with terns 2.5/12,n/45. June 11 Paid the balance owed to Dianond Incorporated. June 22 paid club Corporation in full. Required: Assume that Ace uses a perpetual inventory system and that the company had no inventory on hand at the beginning of the month. Calculate the cost of inventory as of June 30 . (Do not round intermediate calculations. Round your answer to 2 decimal places.)