Len Mark started his own consulting firm, Mark Consulting, on June 1, 2022. The trial balance at June 30 is as follows. MARK CONSULTING Trial Balance June 30, 2022 Debit Credit Cash $6,850 Accounts Receivable 7,000 Supplies 1,977 Prepaid Insurance 3,600 Equipment 15,000 Accounts Payable $4,250) Unearned Service Revenue 5,200 Common Stock 21,977 Service Revenue 8,300 Salaries and Wages Expense 4,000 Rent Expense 1,300 $39,727 $39.727