Problem:

Swinnerton Clothing Company's balance sheet showed total operating current assets of $2,250, all of which required in operations. Its current liabilities consisted of $575 of accounts payable, $300 of 6% short-term notes payable to the bank, and $145 of accrued wages and taxes.

Required:

Question: What was its net operating working capital that was financed by investors?

Note: Please answer in proper manner and show all computations