2)Which of the following is NOT true about life-cycle cost analysis (LCCA)?

a)LCCA cannot be used with present worth analysis.

b)Life cycle costs can divided into research and development costs, investment or procurement costs, operating and maintenance cost, and disposal costs.

c)LCCA is a process of evaluating the economic performance of various design options that may have different initial costs, operating costs, maintenance costs, and life cycles.

d)The vast majority of a system's life-cycle costs often occur after the system has entered service.