Given the returns from the three companies below, calculate the beta for each company. (Round to the nearest number). Firm Market up 40% Market Down 40% Firms Beta IBM 30% -30% X Apple 10% - 10% Amazon 45% -45% Z Ox=1.33, y = 4, z = .89 O x= .75, y= 25, z = 1.125 O x= 1, y = .25, z= 1.125 O x= .75, y = .25, z=.89 O x= .75, y= 4. z= 1.125