im not sure what im doing wrong please help thank you so much bless your kind soul

Concord's Warehouse distributes hardback books to retail stores and extends credit terms of 2/10,n/30 to all of its customers. During the month of June, the following merchandising transactions occurred. June 1 Purchased books on account for $1,010 (including freight) from Catlin Publishers, terms 2/10,n/30. 3 Sold books on account to Garfunkle Bookstore for $1,150. The cost of the books sold was $710. 6 Received $10 credit for books returned to Catlin Publishers. 9 Paid Catlin Publishers in full. 15 Received payment in full from Garfunkle Bookstore. 17 Sld books on account to Bell Tower for $1,200. The cost of the merchandise sold was $670. 20 Purchased books on account for $770 from Priceless Book Publishers, terms 1/15,n/30. 24 Received payment in full from Bell Tower. 26 Paid Priceless Book Publishers in full. 28 Sold books on account to General Bookstore for $1,290. The cost of the merchandise sold was $730. 30 Granted General Bookstore $120 credit for books returned costing $80. Accounts Payable Sales Revenue (To record credit sale) June 6 Accounts Payable Inventory (To record cost of merchandise sold) June? Accounts Payable Inventory June 15 Cash Accounts Receivable Inventory June 15 Cash Accounts Receivable Inventory June 17 Accounts Receivable Sales Revenue (To record credit sale) (To record cost of merchandise sold) June 24 June 24 (To record credit sale) (To record cost of merchandise sold) (To record merchandise returned) (To record credit sale) (To record cost of merchandise sold) (To record merchandise returned) (To record cost of merchandise returned)