The Case of Foakes V Beer (1884)9 App Cas 605

The case of Foakes v Beer (1884) 9 App Cas 605 is authority for the principle that payment of a lesser amount than that already owed:

A) discharges the debt if accepted by the payee.
B) is an act detrimental to the payer and therefore good consideration.
C) is not sufficient consideration for the payee's promise to discharge the debt.
D) can be revoked at any time by the payer.