Edward H. Rosenthal, Esq. is a partner at Arnold, Quisling & Doud. As firm Chairman of the Operations Committee, he hires the firm of Ayotte Leisenfelder to represent his firm as it seeks to buy a building for its new headquarters.  
The firm of Ayotte Leisenfelder contacts the RXR Development Group, who is aware that the firm of Ayotte Leisenfelder is representing the interests of Edward H. Rosenthal, Esq. and his fellow partners at Arnold, Quisling & Doud.  
Ayotte Leisenfelder contacts Jennings, Hockett & Kannengeiser about acquisition of space at their Lake Success office park.  Seth Rosner, Esq. the agent for Jennings, Hockett & Kannengeiser is aware that Ayotte Leisenfelder is representing the interests of someone else but he never inquired at to whom.
Ayotte Leisenfelder contacts the development firm of Debarr & Buddenhagen about acquiring space from them without any mention of Edward H. Rosenthal, Esq. and his fellow partners at Arnold, Quisling & Doud.  

1. Define the Agency-Principal relationship.
2. Define the duties of a Principal to an Agent as well as the duties of an Agent to a Principal.
3. Identify whether or not such a relationship exists between Edward H. Rosenthal, Esq. and his fellow partners at Arnold, Quisling & Doud. Include in your response the type of Agency-Principal relationship Exists between Edward H. Rosenthal, Esq and the firm of Arnold, Quisling & Doud.
4. Identify whether or not such an Agency-Principal relationship exists between the firm of Ayotte Leisenfelder with Edward H. Rosenthal, Esq. and his fellow partners at Arnold, Quisling & Doud. 
5. Define what type of Agency-Principal agency relationship exists between the firm  of Ayotte Leisenfelder and Arnold, Quisling & Doud in the possible transactions with RXR Development Group; Jennings, Hockett & Kannengeiser and DeBarr & Buddenhagen and what liability, if any the firm of Ayotte Leisenfelder has to those three third parties, if any.