Read the excerpt from Fast Food Nation.

Cooking instructions are not only printed in the manual, they are often designed into the machines. A McDonald’s kitchen is full of buzzers and flashing lights that tell employees what to do.

The evidence presented in this excerpt best supports the author’s claim that
McDonald’s is the leader in fast food innovation.
fast food restaurants use technology designed to reduce the need for skilled labor.
technology has helped improve the fast food industry.
the workers’ limited skills have forced fast food employers to rely on machines instead of people.