Reliable Safe Company's 2005 balance sheet showed total current assets
of $1,500,000 plus $3,000,000 of net fixed assets. All of these assets
were required in operations. The firm had $600,000 of current liabilities,
including $300,000 of accounts payable, $200,000 of 6% short-term notes
payable to the bank, and $100,000 of accrued wages and taxes. It also
had $1,500,000 of long-term bonds, $300,000 of common stock, and
$1,750,000 of retained earnings. What was total amount of investor-
provided operating capital at the end of 2005?