What is the purpose of this passage? [originaltext]Hi, everybody. Let me welcome

Hi, everybody. Let me welcome office manager Karen White. She has come to us from one of the big four accounting firms, so she has some very good experience. She has a very plan for our office. Expect some very big changes around here. Karen has been asked by the directors to cut costs and make our office far more efficient. The first thing she intends to do is change our filing system. She also has plans to reduce the number of staff in the office. Therefore, starting next Thursday she will be taking you each and interviewing you to determine your effectiveness in this office. We will have to let some of you go.