Lennox Furniture Company's 2005 balance sheet showed total current assets of $1,500,000. All of the current assets were required in operations, and its current liabilities consisted of $300,000 of accounts payable, $200,000 of 6% short-term notes payable to the bank, and $100,000 of accrued wages and taxes. What was the net operating working capital that was financed by investors at the end of 2005? a. $1,100,000 b. $1,200,000 c. $1,300,000 d. $1,400,000 e. $1,500,000