term:

Benefit Of The Bargain

benefit of the bargain

:the advantage that would be or have been gained under a contract if completed as agreed
;specif
: the difference between the actual value of property and the value of property as it is represented in case of misrepresentation called also benefit of one's bargain loss of bargain compare out-of-pocket rule

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.