Consider the following table: Scenario Severe recession Mild recession Normal growth Boom Probability 0.05 0.25 0.40 0.30 Stock Fund Rate of Return -250 -50 101 150 Rond Fund Rate of Return -105 161 90 -65 Required: a. Calculate the values of mean return and variance for the stock fund. (Do not round Intermediate calculations. Round "Mean return value to 1 decimal place and "Variance" to 2 decimal places.) Mean retum Variance 6.01% 109.001 b. 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