Marcus employs a real estate broker, Dean, to sell his house. Dean's express powers are to advertise and market the house for sale, show the house to prospective buyers, and accept offers from them

He is not allowed to seal a deal without Marcus' consent. Marcus goes away on a month-long trip where he cannot be contacted. During this time, a short circuit in the house causes a power outage. Dean uses his authority to hire an electrician to repair the circuits and restore electricity in the house. Marcus then comes back and pays Dean for the repairs. What is the nature of the agency that Dean used to fix the problem in the house?
A) implied agency
B) agency by ratification
C) power of attorney
D) express agency

A