1. Construct a informal memo to a co-worker in which you request to set up a meeting time to discuss the details of a project you are working on. You and your co-worker are also friends outside of work and socialize together on occasion.

2. Write the message a second time, but address your semiformal memo to your boss, with whom you do not socialize outside of work. You and your boss are on good terms, but your relationship is strictly professional.

3. Write the message a third time; this time address a formal memo to the president of the company, with whom you have never had a conversation.