please help! what is wrong with the June 9th journal entries in red? please help me calculate the right numbers

Sheridan Warchouse 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 $2,845 (including freight) from Catlin Publishers, terms 2/10,n/30. 3 Sold books on account to Garfunkel Bookstore for $900. The cost of the merchandise sold was $800. 6. Received $45 credit for books returned to Catlin Publishers. 9. Paid Catlin Publishers in full: 15 Received payment in full from Garfunkel Bookstore. 17 Sold books on account to Bell Tower for $1,400. The cost of the merchandise sold was $850. 20 Purchased books on account for $700 trom Priceless Book Publishers, terms 1/15,n30. 24 Received payment in full from Bell Tower. 26 Paid Priceless Book Publishers in full. 28 Sold books on account to General Bookstore for $1,700. The cost of the merchandise sold was $770. 30 Granted General Bookstore $210 credit for books returned costing $30. Inveotory (To record cost of books sold) June 6 Accounts Payable Inventory June 9 Accounts Pryable Inventory Cash June 15: > Cani Accounts Recreivable Jume 17 is Accounts recelivable Soles Reveriue (To record sale of books on account) 45 28 Cost ol Goods Sold 850