Amy and Deborah are roommates. They spend most of their time studying (of course), but they leave some time for their favorite activities: making pizza and brewing root beer. Amy takes 5 hours to brew a gallon of root beer and 3 hours to make a pizza. Deborah takes 8 hours to brew a gallon of root beer and 4 hours to make a pizza. Amy's opportunity cost of making a pizza is of root beer, and Deborah's opportunity cost of making a pizza is of root beer