how do i make a a crown out of gumpaste and fondant is there a pattern please help its for is weekend and how much do i price a 10in cake with the crown on it

http://cakecentral.com/modules.php?name=gallery&meta=search&type=full&search=crown+patterns&album=121&search_user=

That link should take you to some crown/tiara patterns.

http://cakecentral.com/cake-decorating-ftopict-672339-crown.html+tiara+directions

Directions for a tiara.

Cost of cake... Well that is something you have to work out. How much will it cost you to make the cake and crown? How much time will it take you to do them? How much is your time worth? How much over those to items do you want to make?