$(1)(5$ points$)$ What is Amazon's stock beta? What is the beta estimate for H$-$E$-$B$\text{'}$s e$-$commerce project?$>10)1$:$59$ PM$>5$:$00$ PM$5$:$00$ PM$($g$)(5$ points$)$ Suppose that H$-$E$-$B did invest in its e$-$commerce project. As a result, now $40\%$ of H$-$E$-$B$\text{'}$s entire business is accounted for by its supermarket business and $60\%$ is by its e$-$commerce business. What is the new beta for H$-$E$-$B$?($h$)(5$ points$)$ What is H$-$E$-$B$\text{'}$s new cost of capital $($i$.$e$.,$ discount rate$)?$