Here are the percentage returns on two stocks Digital Cheese 14% Executive Fruit 6% 2 4 14 3 Month January February March April May June July August 6 0-1. 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% 0-2 Which stock is the riskier i held on its own? Digital Cheese Executive Fruit b. Now calculate the variance and standard deviation of the returns on a portfolio that invests an equal amount each month in the stocks. Do not round intermediate calculations. Round vour answers to 1 decimal places.) a-2. Which stock is the riskier if held on its own? O Digital Cheese O Executive Fruit 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 deviations ws is the variance more or less than half way between the variance of the two individual stocks? O more than the 50%-50% less than the 50% 50%