Raj, the project manager, is meeting with Sue, the Customer, at the working assembly line to compare the product modifications to the specification. Raj and Sue are most interested in the results of the modifications. The goal of the project is to increase efficiency on this section of the line by 15%. Which tool would be the best for them to use during this meeting?

A. Variance Analysis.

B. Inspection.

C. A Pareto Chart.

D. Alternatives Generation.