The idea of "learning" assumes that given the right conditions that the time or cost of performing repetitive actions changes in a regular pattern. The unit formulation suggests that:

A) Each doubling in quantity will result in a reduction in the unit cost by the same amount.

B) Each doubling in quantity will result in a reduction in the unit cost by the same percentage.

C) Each repetition (or unit produced) will cost less than the prior repetition (or unit produced) by the same amount.

D) Each repetition (or unit produced) will cost more than the prior repetition (or unit produced) by the same amount.