Stan Hired Mason to Work as a Janitor in Stan's

Multiple Choice

Stan hired Mason to work as a janitor in Stan's apartment building.Mason was negligent.He left the floor in the building lobby wet and slippery without putting up a warning sign.Martha slipped and fell on the wet floor.If Stan is liable for this accident,what is the source of his liability?

A) Direct liability
B) Vicarious liability
C) Strict liability
D) Negligent liability