New World Construction Co Had Contracted to Build a New

New World Construction Co had contracted to build a new building at the University of British Columbia.New World employed Ellen as a project manager to determine how the construction would be completed and to supervise all aspects of the construction.Ellen was negligent in failing to make sure that a retaining wall was properly built.The wall collapsed, causing substantial property damage.The university is suing New World and Ellen for negligence.Assuming that Ellen is liable personally, explain the bases upon which New World would be responsible for her negligence.