a. Calculate the required rate of return for an asset that has a beta of 0.91, given a risk-free rate of 5.1% and a market return of 9.6% b. If investors have become more risk-averse due to recent geopolitical events, and the market return rises to 12.5%, what is the required rate of return for the same asset? a. The required rate of return for the art is % (Round to two decimal places) b. If investors have become more risk-averse due to recent geopolitical events, and the market return rises to 126%, the required rate of return for the same asset is % Round to two decimal places.)