Based on current dividend yields and expected capital gains, the expected rates of return on portfolios A and B are 12.7% and 16.1%, respectively. The beta of A is .8, while that of B is 1.5. The T-bill rate is currently 7%, while the expected rate of return of the S&P 500 index is 14%. The standard deviation of portfolio A is 25% annually, while that of B is 46%, and that of the index is 35%.

a.) If you currently hold a market index portfolio, what would be the alpha for Portfolios A and B? (Negative value should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to 1 decimal place.)

Alpha
Portfolio A:________%
Portfolio B:________%

b-1. If instead you could invest only in bills and one of these portfolios, calculate the sharpe measure for Portfolios A and B. (Round your answers to 2 decimal places.)

Sharpe measure
Portfolio A:________%
Portfolio B:________%