You are designing a complex control system for a pipeline with an expected 30 year life. The most effective way to minimize life cycle costs is to:
A. Integrate all functions into a cost-minimizing design
B. Design a system that will last 10 years so that it can be replaced with a newer better system
C. Design a modular system where modules can be replaced as needed
D. Design a robust system that should last 40 years incase it is needed that long
Answer: C