Bulldawg Inc's balance sheet showed total current operating assets of $1,970,000 plus $4,330,000 of net fixed assets. The firm's current liabilities consisted of $485,000 of accounts payable, $315,000 of 6% notes payable, and $150,000 of accrued wages and taxes. Its remaining capital consisted of long-term debt and common equity. What was Bulldawg's total operating capital?

a. $5,350,000

b. $5,646,100

c. $5,665,000

d. $5,475,000

e. None of the above