Consider the following table: Stock Fund Bond Fund scenario Probability Rate of Return Rate of Return Severe recession 0.10 -410 -140 Hild recession 0. 20 -214 206 Normal growth 0.40 261 Boom 0. 30 310 -101 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 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