Taylor’s differential piece work plan provides that

The correct answer is C. Those who produce above standard should receive higher wages than those producing below standard.

Taylor’s differential piece work plan is a system of wage payment in which workers are paid a higher rate for each unit of output produced above a certain standard. This system is designed to encourage workers to produce more and to reward them for their increased productivity.

Option A is incorrect because it does not take into account the fact that workers may be able to produce different amounts of work in the same amount of time.

Option B is incorrect because it does not take into account the fact that workers may be able to produce the same amount of work in different amounts of time.

Option D is incorrect because it does not provide any incentive for workers to produce more than the standard amount.