1. A plumbing company has 8 crews fielding repair calls. It takes a crew 2 hours to complete one repair call (including travel time and breaks). What is the capacity of the plumbing company over the course of a 10-hour workday?

2. Most U.S. and some European airlines now impose additional charges for everything but a seat on the flight. Specific seat selection, baggage, beverages, and nearly every amenity that was once included in the ticket price is now a source of “ancillary” airline revenues. Discuss whether this trend is beneficial or detrimental to passengers.