Life is priceless, however, the vessel containing the life would cost around $4.50.
If you added up the monetary value of all the elements in our body and skin we would cost around four and a half bucks.
A bit morbid but certainly curious.
but I wish all of the idiots in the world would stop taking them for free - just because you can't put a price on a head, doesn't mean you should take it anyway. It is not yours to TAKE.
Take your own if you are so inclined.