Brain Purchase

A young man aspiring to become politician decides to replace his brain by a political person's brain. He goes to doctor. Doctor tells him “Only 2 brains are left”. Man curiously asks “Whose are those and what is the price”.Doctor tells him “Vajpayee's brain for Rs.2 and Lalloo's brain for Rs.2,00,000”.Man is amazed at prices and asks doctor “Why Lalloo's brain much more costlier than Vajpayee's”.Doctor replies “Vajpayee's brain was used a lot”.