This Question Contains Two Parts; Be Sure to Answer Both

Essay

This question contains two parts; be sure to answer both.
First, define the concept of media richness, explaining which forms of media are richer, which are less rich, and why.
Next, suppose that you manage a local branch of the U.S. Post Office. You need to communicate three key pieces of information: (a) an annual performance appraisal for each of the employees at the branch, (2) an update regarding the sales of commemorative stamps to a regional manager, and (3) information regarding postage rate increases to the general public. Which type of media would you use for each of these three pieces of information?