What have I done wrong to get an unequal debit/credit balance on the Trial Balance? Please help, thanks

Journal Entries for Vince York, M.D. for the Month of July Medical Equipment Rent Expense Date July 1st 510 Debit Cash Credit 63,000 Vince York M.D., Capital 63,000 July 5th Cash July 9th 510 Land 23,000 Cash July 10th 23,000 Office Supplies 1,600 Accounts Payable July 19th 1,600 Cash 22,000 Note Payable July 22nd 22,000 Accounts Payable 1,100 Cash July 28th 1,100 Advertising Expense 240 Accounts Payable July 31st 240 Cash 6,400 Accounts Receivable 6,000 Revenue July 31st 12,400 Salaries Expense 2,200 Utilities Expense 560 Office Rent 1,900 Cash July 31st 4,660 Cash 1,120 Unearned Revenue July 31st 1,120 Vince York M.D., Withdrawals 7,200 Cash 7,200 T-Accounts: Assets Liabilities Cash Equity______________ Accounts Payable 63,000 510 22,000 23,000 6,400 1,100 1,120 4,660 7,200 Bal. 56,050 Office Supplies 1,100 Vince York M.D., Capital 1,600 240 Bal. 740 Note Payable Bal. 1,600 Accounts Receivable Bal. 63,000 Vince York M.D., Withdrawals 22,000 Bal. 22,000 1,400 Bal. 1,400 Unearned Revenue 1,120 1,600 63,000 Bal. 1,120 Expenses 510 240 2,200 560 6,000 1,900 Bal. 6,000 Bal. 540 Land 23,000 Bal. 23,000 Revenue 12,400 Bal. 12,400 Trial Balance: Account Title Debit Cash 56,050 Office Supplies 1,600 Accounts Receivable 6,000 Credit Accounts Payable 740 Note Payable 22,000 Unearned Revenue 1,120 Capital 63,000 Withdrawals 1,400 Expenses 540 Land 23,000 Revenue Total 12,400 88,590 99260