M Corporation compiled the following information on December, 2021 Service Revenue 8,40,000 Common Stock 1,90,000 Equipment 254000 Operating Expense 7.27,000 Cash 2.05,000 Dividends 64.000 Supplies 30,000 Accounts Payable 1,09,000 Accounts receivable 90,000 Retained Earnings (01/01/20210) 4,51,000 Calculate M Corporation's Shareholder's Equity on December 31, 2021: $481000 $660,000 $690,000 $731000