You've collected the following information from your favorite financial website. 52-Week Price 64.60 Lo 47.80 Div Yld % 1.9 PE Ratio 235.6 Close Price 62.91 Net Chg -.05 145.94 70.28 Stock (Div) Abbott 1.12 Ralph Lauren 2.50 IBM 6.30 Duke Energy 3.56 1.8 70.9 139.71 .62 171.13 139.13 4.3 23.8 145.39 .19 91.80 71.96 4.9 17.6 74.30 .84 113.19 96.20 Disney 1.68 1.7 15.5 ?? .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.)