The risk$-$free rate is $4\mathrm{.}3\%,$ the return on the market $15\%,$ and the beta of a stock is $\mathrm{.}7,$ the required rate of return $11\mathrm{.}79\%,$

$1.$ Calculate the market risk premium and the security risk premium.

$2.$ Graph the security market line. $($Please show the actual grpah im having trouble with this one!!!$)$

$3.$ Identify on the graph the market risk premium and the security risk premium.

$4.$ What is the effect of a decrease in the inflation rate on the SML$?$