When intangible evidence is used, what needs to be done?

Additional research must be done and support must be found becuase the intangible values are not directly tied to the money value or the bottom line Intangible evidence can NEVER be used for quantification, so don't even consider it $-$ it is a waste of time!

No additional research needs be done or support needs to be found because intangible values are directly tied to the money value and the bottom line