So that the audience isn’t confused on the authors purpose. With a smaller area it leaves not much confusion and allows the reader to know what he/her is reading.
I know right! Thanks for the points :D
Answer: No you can not put a price for happiness. It’s an emotion.
Explanation: happiness comes from joy and pure goodness. Sure money can buy some happiness. But it does not last forever. That is why true happiness does not have a price but is highly valued.