Was wondering if anyone can help me figure what to charge for six undecorated, but assembled, gingerbread houses which measure about a cubic foot.  I know what I'd charge for a finished house, but it was kind of an arbitrary decision.  Can someone please give me some suggestions?

THANK YOU!

Total the cost of your ingredients. Add in the cost of all packaging and incidentals. Lob in some $ to cover utilities, insurance, and laundry. Keep track of time and add for your labor.