Answer:
Who is the principal? 
Mario Sclafani
Who is the agent? 
The office worker
Step-by-step explanation:
Sclafani is a disclosed administrator. Principals are responsible for agreements entered into by an agent when the principal approved the contract.
Whenever a third party, Felix in this scenario, signs a contract with a disclosed source, Sclafani in this case, who is responsible for the contract.