nvestor has $5,000 invested in a stock which has an estimated beta of 1.2, and another S15,000 rate is 6 that the beta of th invested in the stock of the company for which she works. The risk-free required rate of return on her total ($20,000) portfolio is 15 percent. What is the e company for which she works? percent and the market risk premium is also 6 percent. The investor calculates