for all you paint and body guys

i drive a 1992 honda civic hatchback... i was wondering about how much paint and clear would be needed for the car... everything is getting painted except the hood... this guy has been painting it for me and i think he is trying to dick me cause he keeps needing more money for materials... he is using glasurit products so about how much would you estimate materials being and how many quarts or pints or whatever need be for materials would i need... thanks if you can help me out