____ enters the picture when the resources required to achieve an objective are weighed against what was actually accomplished, whereas ____ entails promptly achieving a stated objective.

A) Quality; quantity
B) Effectiveness; quality
C) Efficiency; effectiveness
D) Efficiency; quality
E) Effectiveness; efficiency

Efficiency is the measure of how well resources are utilized, while effectiveness is the extent to which objectives are achieved. When resources are weighed against the achieved objectives, it is efficiency. When promptly achieving a stated objective is the focus, it is effectiveness. Therefore, the correct answer is Efficiency;Effectiveness, which is only found in option C.