can someone help me to find what did I do wrong on this problem?

here is the info

3. Post the journal entries to the T-accounts. Show the unadjusted beginning and ending balances in theT accounts Answer is not complete Cash Account Receivable 15,000 Beg. Bal (a)6902,450(h) (b) > 350 01 10,900 (i) (c) 15,050 (e) 6,350 7,850 900 Beg. Bal (d) 7,700 6,350 (e) End. Bal 16,350 End. Bal 16,040 Supplies Equipment Beg. Bal 2,100 Beg. Bal 9,500 End. Bal 3,000 End. Bal 9,500 Land Building Beg. Bal 8,400 Beg. Bal 28,400 End. Bal 8,400 End. Bal 28,400 Accounts Payable Unearned Revenue 10,300 7650 Beg. Bal Beg. Bal 4,400 (n) 2,450 (f) 690 (a) End. Bal 8,615 End. Bal 5,090 Notes Payable Common Stock Beg. Bal 41,500 Beg. Bal 10,000 End. Bal 41,500 End. Bal 10,000