Next, you prepare the extension case. A minority of the company's marketing executives think that compacts and electric cars will be more in demand in five years, and that production capacity should be set at 80,000 electric vehicles and 30,000 for compact cars. There are only so many production lines, so this change means that fewer of the other kinds of vehicles would be made. The revised maximum capacities would be 20,000 for trucks, 50,000 for SUVs, and 20,000 for sedans