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The reasonable value of services provided, which a winning party may be able to recover from an opponent who broke a contract.

As much as he deserved. In pleading. The common count in an action of assumpsit for work and labor, founded on an implied assumpsit or promise on the part of the defendant to pay the plaintiff as much as he reasonably deserved to have for his labor. 3 Bl. Comm. 161; 1 Tidd, Pr. 2. Quantum tenena domino ez homagio, tantnm dominus tenenti ez dominio debet praeter solam reverentiam; mutua debet esse dominii et homagii fldelita- tia connezio. Co. Litt. 64. As much as the tenant by his homage owes to his lord, so much is the lord, by his lordship, indebted to the tenant except reverence alone; the tie of dominion and of homage ought to be mutual.