$($Note: solve it with SQL Plus application, please$)$Display the Net salary of all those employees whose monthly salary

is between $1000$ and $3000$ and they are working as SALESMAN. Net

salary is calculated based on following formula. $($SAL $+$ COMM $-$

zakat of SAL$)+$ House rent $(5\%$ of SAL$))$

Display the $10$ days salary for all those persons who don't have

manager. Consider current salary for $30$ days salary.

$\begin{array}{cc}\text{E}\text{N}\text{A}\text{M}\text{E}& TE{N}_{D}AY{S}_{S}AL\\ ------------& ?\\ \text{K}\text{I}\text{N}\text{G}& 1666\mathrm{.}66667\end{array}$