A technology company has the following labor and salary $($pay per hour$)$ structure:

$1$ CEO makes $$100.$

$3$ executives make $$65$

$4$ middle managers make $$37$

$12$ workers make $$7$

What is the mean amount of money that an employee of this company makes per hour?

$$52\mathrm{.}25$

$$26\mathrm{.}35$

$$131\mathrm{.}75$

$$51$