Give two examples where the difference in the costs of two products or services is much smaller than the difference in their prices.

A )1. Prime travelling season at a sunny destination versus off-peak season. 2Car rental during busy season versus slack season.

B)1. Peak cell telephone hours versus weekend or evening hours. 2. Flying economy class versus flying business class, during the week.

C)Both A and B.

D)None of the above.