When a contract does not determine the amount of the consideration nor the method by which it is to be ascertained, or when it leaves the amount thereof to the discretion of an interested party, the consideration must be so much money as the object of the contract reasonably is worth.
N.D. Cent. Code § 9-05-07
Consideration undetermined - Method of ascertaining
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.