No one is paid for winning Olympic medals directly. However winning one may improve some ones chances of getting a sponsor and advertising contract.
None, they don't even get paid it is just a good thing for their country.
To much simple answer
5 billions
38,000
9,000 tax if gold is won
One mullion
5 cents
They really don't get paid anything directly.. But they will receive sponsors from different companies. Giving them free merchandise.
20$
stuff
They get paid with food, Kung Pao Chicken.