Prezas Company's balance sheet showed total current assets of $3,500, 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. $2,366

b. $2,025

c. $2,821

d. $2,275

e. $1,752