The key distinction between a factor of production and an input is that:a factor of production has limited earning potential.

A.a factor of production has limited earning potential.B.an input is an enduring source of income, but a factor of production is used up in production.C.an input earns income from selling its services over and over again, but a factor of production cannot.

D.a factor of production earns income from selling its services over and over again, but an input cannot.