With respect to market segmentation, the 80-20 principle has been applied to segmenting markets based on

This principle is based on the idea of Vilfredo Pareto, an Italian economist that stated 80% of the results are concentrated in 20% of the activities executed. In Business, this idea is extrapolated as 80% of results come from 20% of the clients.

Explanation:

answer; im thinking customer:

forbearance of student loan payments. under forbearance, your loan payments are postponed (or reduced) but interest continues to accrue during the period of forbearance. if you don't pay the interest during that period, the interest may be “capitalized,” which means it is added to your principal balance.