$(10$ points$)$ Consider an equation to explain salaries of CEOs in Alaska in terms of annual firm sales:

$log($ saliny $)=0\mathrm{.}430\mathrm{.}254log($ sales $)$

$n=364,R^2=0\mathrm{.}058$

$($a$)$ Interpret the slope estimate clearly

$($b$)$ Explain the meaning of $R^{\text{'}}=0\mathrm{.}058$ dcarly