Prezas Company's balance sheet showed total current assets of $5,500, all of which were required in operations. Its current liabilities consisted of $975 of accounts payable, $600 of 6% short-term notes payable to the bank, and $250 of accrued wages and taxes. What was its net operating working capital? a. $4,275 b. $3,591 c. $3,335 d. $3,762 e. $5,002