Stock Fund Rate of Return Bond Fund Rate of Return 10% 16% 9% -6% Scenario Severe recession Mild recession Normal growth Boom Probability 0.05 0.25 0.40 0.30 25% -5% 10% 15% b. Calculate the values of mean return and variance for the stock fund. (Do not round intermediate calculations. Round "Mean return" value to 2 decimal place and "Variance" to2 ecimal places Mean return Variance c. Calculate the value of the covariance between the stock and bond funds. (Negative value should be indicated by a minus sign. Do not round intermediate calculations. Round your answer to 2 decimal places.) Covariance