Scenario 19-3 in the Small Town of Hamilton, Montana, There Is a Is

Scenario 19-3
In the small town of Hamilton, Montana, there is a local hardware store called Eddy's Hardware. There are only two types of workers who apply for jobs at Eddy's Hardware: cowboys and farm boys. Local politicians have received numerous complaints that Eddy's Hardware is practicing wage discrimination against cowboys. Eddy's Hardware denies the complaint and says the store is only trying to maximize profit.
-Refer to Scenario 19-3.Which of the following statements would weaken the discrimination complaint against Eddy's Hardware?

A) Cowboys are more productive than farm boys.
B) Cowboys work longer hours than farm boys and their effort is greater.
C) Cowboys are generally less educated than farm boys in the field of hardware.
D) All of the above would weaken the discrimination complaint.