Please answer part a and b please

Dr. Cr. Problem #1 Red Apple Company, a sole proprietorship, was created in 2008. Presented below are both the adjusted and unadjusted trial balances as of December 31, 2020. Red Apple Company Trial Balance December 31, 2020 Unadjusted Adjusted Cr. Dr. Cash $11,000 $11,000 Accounts 20,000 21,500 Receivable Supplies 8,400 5,000 Equipment 60,000 60,000 Accumulated $28,000 $35,000 Depreciation Equipment I Accounts 5,000 Payable 5,000 Uncarned 7,000 Advertising 5,600 Revenue Salaries and 0 Wages Payable 1,300 Common Stock 10,000 10,000 Retained 4,800 Earnings 4,800 Advertising 58,600 Revenue 61,500 Salaries and 10,000 Wages Expense 11,300 Depreciation Expense 7,000 Supplies Expense 3,400