Fast food is faster and cheaper than a similar meal you could prepare for yourself

ECONOMICS

Multiple Choice

Fast food is faster and cheaper than a similar meal you could prepare for yourself. Which of the following does not explain that fact?

a. meal preparation has been divided into many separate tasks

b. larger-scale production allows the introduction of more efficient machines

c. workers gain productivity at a task over time

d. there is less time lost moving from one task to another

e. workers are more productive when they are being paid

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