the third one please the sencond Q is to help you solve the third Q

Wisconsin Company (WC) and Michigan Company (MC) are both service companies Their stock returns for the past 3 months were as follows: WC: - 3 percent, 4 percent, 8 percent; MC: 6 percent, 3 percent, -3 percent. 2) Calculate the mean return for each company A) WC: 2 percent; MC: 4 percent 3D WC: 3 percent; MC: 2 percent C) WC: 3 percent; MC: 3 percent D) WC: 2 percent; MC: 4 percent 3) Calculate the variances of returns for WC and MC. (Ignore the correction for the loss of a degree of freedom set out in the text.) A) WC: 62.00; MC: 42.00 B) WC: 20.00; MC: 14.00 C) WC: 60; MC: 32.00 D) WC: 48.00; MC: 32.00