For [a system], cost across its
whole life: build, operate,
maintain, dispose. Which early
design decision most affects the
parts that aren't the purchase
price?

Cost It Over Its Whole Life

The early decision that drives the twenty-year cost.

Prompt

For [a system], estimate cost across its whole life — build, operate, maintain, and dispose — and show which design decision made early has the largest effect on the parts that aren't the purchase price.