Based on current dividend yields and expected capital gains, the expected rates of return on portfolios A

Question:

Based on current yields and expected capital gains, the expected rates of return on portfolios A and B are 11% and 14%, respectively. The beta of A is .8 while that of B is 1.5. The T-bill rate is currently 6%, while the expected rate of return of the S&P 500 Index is 12%. The standard deviation of A is 10% annually, while that of B is 31%, and that of the index is 20%.
a. If you currently hold a market-index would you choose to add either of these portfolios to your holdings? Explain.
b. If instead you could invest only in bills and one of these portfolios, which would you choose?
Dividend
A dividend is a distribution of a portion of company’s earnings, decided and managed by the company’s board of directors, and paid to the shareholders. Dividends are given on the shares. It is a token reward paid to the shareholders for their... Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...