Which One of the Following Is NOT Descriptive of the Experience

Multiple Choice

Which one of the following is NOT descriptive of the experience curve?

A) It is very useful because it is consistent within the industry for all involved organizations over time.
B) It is used to estimate the production cost of a product produced by newly introduced techniques or processes.
C) It is used to estimate the production costs of a product never before made with the present techniques and process.
D) The concept was first applied in the airframe industry.
E) It shows that production costs decline by some fixed percentage as production in units doubles.