Regarding lessons learned, which one of the following statements is true?

Documenting the rationale for certain contracting decisions should only be done if problems arise.

It is Legal Counsel's responsibility to document the contract file.

The contract documents required by regulation (Acquisition Plan, J&A, PNM, etc.) contain all the required information required to document the file.

The justification and rationale for certain contracting decisions become lost if not separately documented in the contract file.