please answer

15. Prezas Company's balance sheet showed total current assets of $3,250, 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.$1,620

b.$1,701

c.$2,309

d.$2,025

26. Russell Securities has $100 million in total assets and its corporate tax rate is 40 percent.The company recently reported that its basic earning power (BEP) ratio was 15 percent and its return on assets (ROA) was 9 percent.What was the company's interest expense?

a.$0

b.$ 2,000,000

c.$ 6,000,000

d.$15,000,000