well if the play station 2 cost 100 dollars then a play station 1 must cost 50 dollars or less.
£150.99
It depends on which PlayStation it is (1, 2, 3 or the portable one) plus the cost of each game.
$20 As of 8/1/13
You can find each of them for less than 10 dollars, but you will probably have to look for Ape Escape online, as it is an old videogame. You can find it on Ebay.
1$ Dollar i heard xD Muahaha
assuming this is American dollars, 1 euro is about 1.39 dollars (at the moment)
You should be able to pick one up with games for 10-30 dollars on an auction website.
1 billion dollars
1-3 dollars $
1-100 dollars
1 million dollars
1-2 dollars