Given the returns from the three companies below, calculate the beta for each company. (Round to the nearest number). Firm Market up 10% Market Down 10% Firms Beta IBM 30% -30% x Apple 20% -20% y Amazon 25% -25% z x= 3, y = 2, z=2.5 x= .33, y = .20, z= .25 x= .75, y=.25, z = 1.125 x=1.33, y = 4, z = .89 x= .33, y= .5. z= .4