In general, price discrimination occurs when a producer sells a commodity to different buyers at different prices for reasons not associated with differences in cost. For example, doctors, lawyers and engineer sometimes vary their fees according to the incomes of their clients. Cinemas also charge lower admission prices for children.

Comfort is very important to me. I think people live better in big houses and in big clothes. I try to contrast; life today is full of contrast... We have to change. I am not interested in the past, except as the road to the future. Give me time and...