1. The CEO of a restaurant group for which you are the controller is thinking about using either Groupon or Eatigo to boost sales. Which would you recommend that the company use? 2. What are the implications for deferred revenue of Eatigo, as opposed to a company like Groupon? 3. What unique expense would the restaurant incur by using Eatigo, and when would you expect that the restaurant would incur this expense?