People arrive at a microscope exhibit at a rate of one every 8+/- 2 minutes. Only one person can see the exhibit at a time. It takes 5 +/- 2 minutes to see the exhibit. A person can buy a "privilege" ticket for $1 which gives him or her priority in line over those who are too cheap to spend the buck. Some 50% of the viewers do this. The exhibit is open continuously from 10 am to 4 pm. Simulte the operation of the system for one complete day. How much money is generated from the sale of privilege tickets?