A portfolio beta can be defined as the: Amount of unsystematic risk remaining after the portfolio is diversified. Weighted average of the betas of the individual securities within the portfolio. Total of the betas of the individual securities within the portfolio. Measure of the total risk of the portfolio in excess of the level of market risk. Measure of the unsystematic risk of the portfolio relative to the level market risk. luestion 10 (0.6 points) The market risk premium can be defined as the: Return on the market plus the risk-free rate of return. Intercept point of the security market line. Beta multiplied by the risk-free rate of return. Slope of the market portfolio's security market line. Amount of return received for accepting unsystematic risk