If$-$else statements with minimum wage

A worker gets paid an hourly wage for the first $40$ hours worked per week.

Once $($s$)$he works more than $40$ hours, $($s$)$he will be paid overtime, which is $1\mathrm{.}5$ times the hourly wage.

Given the hours worked per week, and the hourly wage, compute the weekly salary of the worker using an if$-$else statement.