You've collected the following information from your favorite financial website. 52-Week Price PE Net Hi 64.60 Chg Div Yld % 1.9 Lo 47.80 -.05 70.28 1.8 .62 139.13 Stock (Div) Abbott 1.12 Ralph Lauren 2.50 IBM 6.30 Duke Energy 3.56 Disney 1.68 145.94 171.13 91.80 113.19 Close Price 62.91 139.71 145.39 74.30 ?? Ratio 235.6 70.9 23.8 17.6 15.5 4.3 71.96 96.20 1.7 10 Find the quote for the Duke Energy. Assume that the dividend is constant. a. What was the highest dividend yield over the past year? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What was the lowest dividend yield over the past year? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)