(6-1) An individual has $35,000 invested in a stock with a beta of 0.8 and another $40,000 invested in a stock with a beta of 1.4. If these are the only two investments in her portfolio, what is her portfolio’s beta?,,(6-2) Assume that the risk-free rate is 6% and that the expected retuned on the market is 13%. What is the required rate of return on a stock that has a beta of 0.7?,