Which excerpt from Fast Food Nation best states a reason supporting the author's claim that fast food restaurants follow the assembly line model? Once an order has been placed, buttons light up and suggest other menu items that can be added. At Burger King restaurants frozen hamburger patties are placed on a conveyer belt and emerge from a broiler ninety seconds later fully cooked. The McDonald's operations manual today has ten times the number of pages and weighs about four pounds. Teenagers open the fast food outlets in the morning, close them at night, and keep them going at all hours in between.

## Step 1<br />The problem asks us to identify the excerpt from Fast Food Nation that best supports the author's claim that fast food restaurants follow the assembly line model. The assembly line model is a production method where each worker performs a specific task, and the product moves along a conveyor belt from one worker to another until it is completed.<br /><br />## Step 2<br />We need to analyze each excerpt to see which one best fits this description.<br /><br />## Step 3<br />The first excerpt talks about suggesting other menu items, which doesn't directly relate to the assembly line model.<br /><br />## Step 4<br />The second excerpt describes a process where frozen hamburger patties are placed on a conveyor belt and emerge from a broiler fully cooked. This is a clear example of an assembly line model, where each step is performed by a different worker and the product moves along a conveyor belt.<br /><br />## Step 5<br />The third excerpt talks about the McDonald's operations manual, which doesn't directly relate to the assembly line model.<br /><br />## Step 6<br />The fourth excerpt talks about teenagers opening and closing the fast food outlets, which doesn't directly relate to the assembly line model.