The beta of Asset A is $1\mathrm{.}25$ and that of Asset B is $0\mathrm{.}8.$ A trader forms a portfolio by investing $40\%$ of his Wealth in Assel A and $60\%$ in Asset B$.$ The variance of Asset B is $64\%$ of the variance of Asset A$,$ and the correlation between the two assets is $0\mathrm{.}80.$ If the variance of the portfolio is $0,4360,$ what are the variances of returns of the two assets. If the correlation of Asset A with the market portfolio is $0\mathrm{.}75,$ what is the correlation of Asset B with the market portfolio?