Duffert Industries has total assets of $1,040,000 and total current liabilities (consisting only of accounts payable and accruals) of $105,000. Duffert finances using only long-term debt and common equity. The interest rate on its debt is 7% and its tax rate is 25%. The firm's basic earning power ratio is 14% and its debt-to capital rate is 40%. What are Duffert's ROE and ROIC? Do not round your intermediate calculations. O a. 8.30%; 7.85% O b. 15.97%; 11.68% O c. 10.22%; 7.94% O d. 13.54%; 10.37% OO e. 11.75%; 9.06%