Which One of the Following Statements About Learning Curves Is

Which one of the following statements about learning curves is TRUE?

A) A learning curve assumes that the direct labor requirements per unit will decrease at an increasing rate as cumulative production increases.
B) Learning at a capital-intensive operation usually will be less than it is for a labor-intensive operation.
C) Learning for a simple product will usually be greater than it is for complex products.
D) Learning curves can be used only for individuals, not for the whole organization.