The adjusted trial balance for PI Detectives reported the following account balances: Accounts Receivable $ 500; Supplies $ 9,000; Prepaid Insurance $ 7,200; Equipment $ 28,000; Accumulated Depreciation— Equipment $ 4,000; Accounts Payable $ 200; Unearned Revenue $ 5,000; Notes Payable $ 3,000; Common Stock $ 22,000; Retained Earnings $ 5,700; Dividends $ 3,000; Service Revenue $ 33,800; Salaries and Wages Expense $ 20,000; and Depreciation Expense $ 1,000. Prepare an adjusted trial balance as of December 31, and solve for its missing Cash balance.