im not sure where or how i went wrong

Page: DOC. POST. NO. REF. DATE ACCOUNT TITLE DEBIT CREDIT 1 Aug. 1 Inventory 6,000 2. Accounts Payable 6,000 X2 3 4 Aug. 3 Accounts Payable 3 4 1,500 5 Inventory 1,500 X 5 6 6 Aug. 7 Cash 9,750 8 Sales 9.750 9 8 00 10 9 Cost of Goods Sold Inventory 4,000 11 10 12 4,000 11 13 Aug. 10 Accounts Receivable 12 500 X 13 Record the following transactions for Sparky's Pet Shop using the general Journal form provided below. Assume Sparky's uses a perpetual inventory system. Omit transaction descriptions from entries Date Transaction August 1 Purchased $6,000 of merchandise on account, terms 2/10, 1/30 3 Returned $1,500 of merchandise purchased on August 1 due to defects 7 Recorded cash sales for the first week of August, 59,750; cost of the merchandise was 54,000 10 Made sale on account to a local breeder for $500, terms 1/10 net 30; cost of the merchandise was $200 11 Paid for the merchandise purchased on August 1, less return 20. Received payment from sale of August 10. If an amount box does not require an entry leave it blanc 5 Inventory 5 6 1,500 X 5 6 6 7 Aug. 7 Cash 9,750 7 8 Sales 9,750 8 9 9 10 Cost of Goods Sold 4,000 10 11 Inventory 4,000 11 12 13 Aug. 10 Accounts Receivable 12 500 13 14 Sales 500 15 X 14 16 Cost of Goods Sold 15 4 6 200 16 17 Inventory 18 200 17 18 19 Aug. 11 Accounts Payable 20 Cash 21 4,500 19 4,500 X 20 2 22 Aug. 20 Cash 21 23 9,750 Accounts Receivable 22 9,750 X 23