Here are the percentage returns on two stocks. Digital Cheese Executive Month Fruit 14% 6% January February -3 1 March 6 4 April May 8 14 -4 2 June 4 6 July August -4 8 -2 a-1. Calculate the monthly variance and standard deviation of each stock. (Do not round intermediate calculations. Round your answers to 1 decimal places.) Digital Cheese Executive Fruit Variance Standard deviation % b. Now calculate the variance and standard deviation of the returns on a portfolio that invests an equal amount each month in the two stocks. (Do not round intermediate calculations. Round your answers to 1 decimal places.) Variance Standard deviation % c. Is the variance more or less than half way between the variance of the two individual stocks? Omore than the 50%-50% Oless than the 50%-50%