Duffert Industries has total assets of exist940,000 and total current liabilities (consisting only of accounts payable and accruals) of exist130,000. Duffert finances using only long-term debt and common equity. The interest rate on its debt is 8% and its tax rate is 40%. The firm's basic earning power ratio is 1 4 % and its debt to capital rate is 40%. What are Duffert's ROE and ROIC? Do not round your intermediate calculations. a. 17.49%: 10.82% b. 13.75%: 9.46% c 11.81%: 9.07% d 9.72%, 8.29% e 14.95%, 9.75%