Answer:
d. Our workforce may be waiting on delayed arrivals of inputs needed to do the work.
Explanation:
There are two possible sources for 25% of the jobs not being delivered on time:
If we followed Juran's Law, we can simply assume that the problem here has to do with our productive system (like 85% of production errors). Two clear problems are obvious:
Obviously we cannot answer these questions just be reading two paragraphs, but that is what should be answered in order to solve the issues.