The Fight

Two of Anthony, Bernard, and Charles are Fighting each other.

[1] The shorter of Anthony and Bernard is the older of the two fighters.

[2] The younger of Bernard and Charles is the shorter of the two fighters.

[3] The taller of Anthony and Charles is the younger of the two fighters.

Who is not fighting?

The Chain

A client got in a jewelry store and asked:

- I have here six chains, each one with 5 nodes, how much would it cost to put them together into one circular chain?

The jeweler told him that for each node he had to open and close, he would charge one dollar.

What would be the cheapest price for the service and why?