1. After graduating from high school, Steve had three choices, listed in order of preference: (1) matriculate at our campus, (2) work in a printing circuit board company, or (3) attend a rival college. What is Steve's opportunity cost of going to college?

1. Carl is considering attending a concert with a ticket price of $35. He estimates that the cost of driving to the concert and parking there will total an additional $20. In order to attend the concert, Carl will have to take time off from his part-time job. He estimates that he will lose 5 hours of work, at a wage of $6 per hour. What is Carl's opportunity cost of attending the concert?

1. What is the slope of the line given in the graph?