Your project selection committee used a weighted scoring model and found that Project B, with a score of 54, should be chosen over the other competing projects. Which of the following is true?

A. Weighted scoring models are benefit measurement methods, which are used as a tool and technique during the Develop Project Charter process.

B. Weighted scoring models are constrained optimization methods, which are used as a tool and technique in both Initiating process group processes.

C. Weighted scoring models are benefit measurement methods and are the least efficient method of project selection.

D. Weighted scoring models are a type of mathematical model that can be used both for project selection and vendor selection.