The risk-free rate is 2% and the market risk premium is 5%. What is the required return on a portfolio of stocks A and B given the information below: Stock Weight Beta A 30% 1.4 B 70% 1.3 answer format: show your answer in percent (without the % sign) and to 1 decimal place. For example, 12.56 should be shown as 12.6 Stock A has a beta of -1, the risk-free rate is 4% and the return on the market is 9%. If the market risk premium changes by 8%, by how much will the required return on Stock A change? (i.e. required return after change - required return before the change) answer format: show your answer in percent (without the % sign) and to 1 decimal place. For example, 12.56 should be shown as 12.6