Check Consider the following table: Stock Fund Rate of Return -40% Scenario Severe recession Mild recession Normal growth Boom Probability 0.05 0.23 0.57 0.15 Bond Fund Rate of Return -16% -2% 3% 6% -11% 11% 27% a. Calculate the values of mean return and variance for the stock fund. (Do not round intermediate calculations. Round "Mean return" to 2 decimal places and "Variance" to 4 decimal places.) % Mean return Variance b. Calculate the value of the covariance between the stock and bond funds. (Negative value should be indicated by a minus sign. Do not intermediate calculations. Round your answer to 4 decimal places.) Covariance