Financial Accounting.

I'm unable to balance my Trial Account.

What adjustments do I need to do? Please explain what I did wrong and solution.

Please see attached pictures.

Thank you!

Great Adventures Inc. Trial Balance 31-Jul Credit Debit $9,000 $1,800 $4,800 $12,000 Accounts CASH SUPPLIES PRE PAID INSURANCE EQUIPMENT ACCOUNTS PAYABLE DEFERRED REVENUE COMMOND STOCKS RETAINED EARNINGS $1,800 $4,000 $20,000 $1,800 ADVERTISING EXPENSE LEGAL EXPENSE TOTALS $1,000 $1,500 $30,100 $27,600