You are coaching Gary, a junior project manager, on quality and grade. What is the difference between quality and grade?

A. Quality is the conformance to requirements, while grade is the ranking of the quality.

B. Quality is the conformance to requirements, while grade is a ranking assigned to a material or service.

C. There is essentially no difference between quality and grade when it comes to project management.

D. Quality is the end result of the project, while grade is the ranking of the quality as the project moves toward completion.