answer part A please

what is the answer for a and b

Consider the two (excess return) index-model regression results for stocks A and B. The risk-free rate over the period was 6%, and the market's average return was 14%. Performance is measured using an index model regression on excess returns. a. Calculate the following statistics for each stock: i. Alpha ii. Information ratio iii. Sharpe measure iv. Treynor measure b. Which stock is the best choice under the following circumstances