Which of the Following Is Correct with Regard to Compensation

Which of the following is correct with regard to compensation?
The term "compensation" refers to a number of different elements, including base salary, incentives, bonuses, benefits, and other rewards that employees receive.
There is a general consensus in society that top managers deserve the high compensation they receive because their jobs are very complex and demanding.
The average hourly wage in manufacturing is lower than the average hourly wage in retailing.
Job evaluation is a method for determining whether a worker in a given job should be paid a wage or a salary.
All of these are correct.