An Illustration of the Method of Compensation,as Contrasted with the Level

An illustration of the method of compensation,as contrasted with the level of pay,is:

A) Sales reps are paid a salary plus 5 percent commission on sales.
B) The top half of our sales reps average $1,500 a month in total earnings.
C) The average pay of our sales reps is 10 percent above the average received by our unionized production workers.
D) Our top sales rep earned $70,000 last year.
E) None of these is an example of method of pay.