Asset W has an expected return of 12.3 percent and a beta of 1.3 . If the risk-free rate is 4 percent, complete the following table for portfolios of asset W and a risk-free asset. (Leave no cells blank - be certain to enter " 0 " wherever required. Do not round intermediate calculations. Round the expected return answers to 2 decimal places and beta answers to 3 decimal places.) If you plot the relationship between portfolio expected return and portfolio beta, what is the slope of the line that results? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Slope of the line %