The currency is France is of course the Euro, and here are some sample prices:
Coffee – 2 Euro for an espresso at a standing bar
Ice – 2-3 Euro for two scoops
Wine 3-4 Euro for a glass
Snack – 2-3 Euro for a cheese sandwich
Petrol – 1,30 – 1,40 Euro for a liter of Super
Bike rental – 10-15 Euro per rental day