1- Portfolio Beta: 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?

2- Required Rate of Return: Assume that the risk-free rate is 6% and the required return on the market is 13%. What is the required rate of return on a stock with a beta of 0.7?