Consider the two $($excess return$)$ index$-$model regression results for stocks A and $B.$ The risk$-$free rate over the period was $8\%,$ and the

market's average return was $15\%.$ Performance is measured using an index model regression on excess returns.

Required:

a$.$ Calculate the following statistics for each stock: $($Do not round intermediate calculations. Round your answers to $4$ decimal

places.$)$