Select the most appropriate option to fill in the blank.

I am ______ willing to sign this contract with your company.

not

The most appropriate option to fill in the blank is not.

The sentence is about how the speaker is not willing to sign the contract. The word "not" is the most concise and direct way to express this sentiment. The other options are either grammatically incorrect or do not convey the same meaning.

• Nor is used to join two negative clauses. For example, "I am not willing to sign this contract, nor am I willing to discuss it further."
• None is used to refer to a group of people or things that is empty or nonexistent. For example, "There are none who are willing to sign this contract."
• No is used to mean "not any" or "not one." For example, "I have no interest in signing this contract."