the number 970 was wrong for accounts payable and I only need the blanks ones please explain why

Monty'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 $970 from Catlin Publishers, terms 2/10, n/30. 3 Sold books on account to Garfunkle Bookstore for $1,260. The cost of the books sold was $660. 6 Received $70 credit for books returned to Catlin Publishers. 9 Paid Catlin Publishers in full. 15 Received payment in full from Garfunkle Bookstore. 17 Sold books on account to Bell Tower for $1,200. The cost of the merchandise sold was $710. 20 Purchased books on account for $600 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 $1,220. The cost of the merchandise sold was $700. 30 Granted General Bookstore $120 credit for books returned costing $80. June 9 Accounts Payable Cash June 15 Cash 1260 Accounts Receivable June 17, Accounts Receivable 1200 Sales Revenue (To record credit sale) June 174 Cost of Goods Sold 710 Inventory (To record cost of merchandise sold) June 20 Inventory 600 A Accounts Payable June 24 - Cash 1176 Sales Discounts 24 Accounts Receivable June 26 - Accounts Payable 600 Cash 1