Comparative methods, scoring methods, and economic and cash flow analysis are all part of which of the following?

A. Benefit measurement methods, which are a component of a tool and technique in the Develop Project Charter process B. Constrained optimization methods, which are a component of a tool and technique in the Preliminary Scope Statement process C. Benefit measurement methods, which are a component of an input to the Develop Project Charter process D. Mathematical modes, which are a component of an input to the Preliminary Scope Statement process