hurry up please

which company is better to invest in?why?and which one is riskier?and why?

After doing all the calculations the results were as mentioned : first company's Beta was 1.177 while the second company's Beta was 0.935, also first and second company's E( Rm)daily was the same which is equal to 0.023%, the same E(Rm)annually which was equal to 8.673% and the same risk free which was 0.429%. Finally the CAPM, the first company's CAPM was equal to 10.137% and the second one was equal to 8.145%