Hallace Enterprises, Inc., employed Zell as its sales agent with authority to call directly in customers on his sales territory. Through negligence, Zell injured a pedestrian while visiting a prospective customer outside Zell's assigned sales territory. The injured party can pursue a claim against:

Question $20$ options:

$1)$

Hallace Enterprises, Inc., only

$2)$

Hallace Enterprises, Inc., or Zell, but not both

$3)$

Both Hallace Enterprises, Inc., and Zell

$4)$

Zell only