Which of the following is true about learning effects?
A. They tend to be more significant in nonrepetitive tasks.
B. They tend to be less significant when a task is technologically complex.
C. They typically last a lifetime.
D. They are important only during the start-up period of a new process.
E. They do not have any effect on the cost of production.
Answer: D. They are important only during the start-up period of a new process