As a human resources management major, Rowena has been learning about the various types of compensation that can be paid to employees. Which of the following is correct regarding employee compensation?

A lump$-$sum salary increase gives employees the option of taking a pay raise in the form of employee benefits.

A salary is a specific amount of money paid for an employee's work during a set calendar period, regardless of the actual number of hours worked.

Sales managers often are paid entirely by salary.

For wage employees, anything more than $30$ hours in a week is overtime, for which they are paid one$-$and$-$one$-$half times their hourly wage.