If the T$-$bill rate is $5\%,$ what are the alphas of the two stocks? choose the closest ones

A$)-4,1\mathrm{.}15$

$($B$)1,3\mathrm{.}00$

C$)-5\mathrm{.}5,0\mathrm{.}25$

D$)-2\mathrm{.}5,-0\mathrm{.}10$

You construct a portfolio of $10$ million, consisting of $10$ high beta stocks with beta $1\mathrm{.}8$ each and $10$ low beta stocks with beta $0\mathrm{.}5$ each. You allocate $2$ million to high beta stocks and $8$ million to $10$ low beta stocks. What is the portfolio beta? $1y2y3y0\mathrm{.}80\%1\mathrm{.}40\%1\mathrm{.}50\%1\mathrm{.}70\%1\mathrm{.}00\%1\mathrm{.}30\%1\mathrm{.}20\%1\mathrm{.}10\%0\mathrm{.}40\%1\mathrm{.}00\%1\mathrm{.}50\%1\mathrm{.}90\%6m$