Asset W has an expected return of 12.0 percent and a beta of 1.25. If the risk-free rate is 3.5 percent, complete the following table for portfolios of Asset W and a risk- free asset. (Don't round intermediate calculations. Enter portfolio expected return answers as a percentage rounded to 2 decimal places. Round the beta answers to 3 decimal places. Percentage of Portfolio In Asset W Portfolio Expected Return Portfolio Beta 0% 7% '? 25 ?% ? 5O ?% ? 75 ?% ? 100 ?% ? 125 ?% ? 150 ?% ? If you plot the relationship between portfolio expected return and portfolio beta, what is the slope of the line that results? (Enter your answer as a percent rounded to 2 decimal