(a) This contract constitutes the definitive contract contemplated by letter contract ___ (insert number) issued on ___ (insert effective date). It supersedes the letter contract and its modification numbered ___ (insert number(s)). To the extent there are inconsistencies between the definitive contract and the letter contract, the former governs.

(b) The cost(s) and fee(s), or price(s), established in this definitive contract represents full and complete settlement of letter contract ___ (insert number) and modification numbered ___ (insert number(s)). Payment of the fee agreed upon or profit withheld pending definitization of the letter contract, may start immediately at the rate and times stated within this contract.