When the risk free rate is $0\mathrm{.}4\%,$ and the return on the market is $7\mathrm{.}7\%$ per year. The Beta for Walmart stock is $0\mathrm{.}19$ and the beta for Apple Computer Inc. is $1\mathrm{.}46.$ Please answer the following question.

$28.$ Please calculate the expected return on Walmart stock. a$.0\mathrm{.}79\%$ b$.1\mathrm{.}79\%$ c$.2\mathrm{.}79\%$ d$.3\mathrm{.}79\%$ e$.4\mathrm{.}79\%$