In the question that we have here the person that is the principal is Sarah.
This is the term that is used to refer to a given person that gets another person to work or represent them. That is the other person would be authorized to carry out the transactions such as buying and the selling of properties on their behalf.
In the question, we can see the justification from the fact that the owner of the house Sarah has given the seller or agent the right to act on her behalf on the transaction.
Read more on principal here: https://brainly.com/question/18651220
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