Which of the following is an example of a low-contact system? a. taking a flight to a vacation destination b. donating blood at a blood drive c. having your lawn cut by the neighbor's son d. getting a haircut at an upscale salon e. having your eyes examined at the optometrist

When the national economy goes from bad to better, market research shows changes in the sales at various types of restaurants. projected 2011 sales at quick-service restaurants are $164.8 billion, which was 3% better than in 2010. projected 2011 sales at full-service restaurants are $184.2 billion, which was 1.2% better than in 2010. how will the dollar growth in quick-service restaurants sales compared to the dollar growth for full-service places?