Which of the following statements is true in relation to cost curves in project finance?

Group of answer choices

A. They are only used in the lender's due diligence process

B. They are constructed for every industry that in which project finance can be used

C. Lenders will never lend to a project if it does not fall within the lower third of the curve

D. They certify that the project's estimate of unit costs is accurate

E. They are constructed by placing quantities produced against the average unit cost of production for each producer