Consider the following table Stock FundBond FundScenario ProbabilityRate of ReturnRate of ReturnRequired:(a)Calculate the values of mean return and variance for the stock fund. (Round your answers to 2 decimal places.) Mean return Variance (b)Calculate the value of the covariance between the stock and bond funds. (Round your answer to 2 decimal places. Negative amount should be indicated by a minus sign.) Covariance