Last year, Atlantic Richfield had sales of $325,000 and a net income of $21,200. The firm finances using only debt and common equity, and total assets equal total invested capital. Year-end assets were $250,000, and the firm's debt ratio (total-debt-to-total-capital ratio) was 15%. What was their ROE? Your answer should be between 7.12 and 15.40, rounded to 2 decimal places, with no special characters