Problem $12-6$ Market Model

The following three stocks are available in the market:

Assume the market model is valid.

a$.$ The return on the market is $15\mathrm{.}3$ percent and there are no unsystematic surprises in

the returns. What is the return on each stock? $($Do not round intermediate

calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,$

$32\mathrm{.}16.)$

b$.$ Assume a portfolio has weights of $25$ percent Stock A$,40$ percent Stock B$,$ and $35$

percent Stock C$.$ The return on the market is $15\mathrm{.}3$ percent and there are no

unsystematic surprises in the returns. What is the return on the portfolio? $($Do not

round intermediate calculations and enter your answer as a percent rounded to $2$

decimal places, e$.$g$.,32\mathrm{.}16.)$