please do without using excel $1.$ The estimated betas for AOL Time Warner, J$.$P$.$ Morgan Chase & Company, and Boeing Company are $2\mathrm{.}50,1\mathrm{.}50,$ and $0\mathrm{.}80,$ respectively. The risk$-$free rate of return is $4\mathrm{.}35$ percent, and the market risk premium is $8\mathrm{.}04$ percent. Calculate the required rates of return for these three stocks using the CAPM.