Yes, it is a negotiable instrument because it is a written and signed document that was written by Muriel Evans to pay $100 to Karen Marvin.
This refers to the formal or informal conclusion which is reached between two or more persons about a certain thing and the clauses involved.
Hence, we can note that because a written and the signed statement was made by Muriel Evans, then this fits the definition of a negotiable instrument which is a signed document that promises to pay a certain amount of money to a person.
Read more about negotiable instruments here:
https://brainly.com/question/15170168
