A Is Engaged as the Personal Assistant for P, a Famous

A is engaged as the personal assistant for P, a famous celebrity.A regularly hires luxury cars on behalf of P, for which P regularly pays.One weekend, without P's permission, A hires a Porsche in P's name for A's own personal use.Is P entitled to refuse to pay for the hiring of the Porsche?

A) Yes.A was not authorised to hire the car on P's behalf.
B) No.A had apparent authority and P is bound by A's order.
C) No.A had the express authority of P.
D) Yes.The supplier should have checked that A was authorised by P before hiring the car to A.