Matthew Is a Truck Driver for Argosy, Inc

Matthew is a truck driver for Argosy, Inc. (Argosy) . He transports the supplies from a vendor to the company and returns the company truck to Argosy. He is not authorized to make any stops while transporting goods. After collecting the goods from the vendor, Matthew stops at a pub where he makes defamatory statements about a third party. Which of the following statements is true of this scenario?

A) Both Matthew and Argosy are liable as Argosy is a disclosed principal.
B) Both Matthew and Argosy are liable as Matthew committed the tort within the scope of his employment.
C) Argosy is not liable as Matthew was in an unauthorized location according to company rules.
D) If both Argosy and Matthew are found to be jointly and severally liable, Matthew would have to pay most of the damages based on the "deep pocket" concept.