Which of the following is an INCORRECT statement regarding a "frolic and detour?"

A$.$ An agent might choose to run a personal errand while on assignment for the principal. This is commonly referred to as a frolic

B$.$ Principals are generally liable if an agent's frolic and detour is substantial.

C$.$ Agents are always personally liable for their tortious conduct during a frolic and detour.

D$.$ Negligence actions stemming from frolic and detour are examined on a case$-$by$-$case basis.

E$.$ A frolic and detour is a situation in which an agent does something during the course of his or her employment to further his o