June $3$ Purchased goods for $$3,800$ from Diamond Incorporated with terms $2/10,$ n$/30.$

June $5$ Returned goods costing $$850$ to Diamond Incorporated for credit on account.

June $6$ Purchased goods from Club Corporation for $$800$ with terms $3/10,$ n$/30.$

June $11$ Paid the balance owed to Diamond 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.$)$