All of the Following Are Ways That Employers Increase Profits

All of the following are ways that employers increase profits EXCEPT

A) supporting credentialing, which brings in highly qualified workers for wages that only award qualification, not being highly qualified
B) replacing workers with new technologies that, even if they are expensive to develop or purchase, cost less over the long term
C) moving factories to areas of the world with strong traditions of laborers' rights
D) threatening to replace workers with other workers who would be willing to work for low wages should those already hired demand higher incomes