Hi Christopher,
Quick useful & [Re-Workable] information and Details, Circa 2008 or so...
Fairly, Easy to Re-Calculate according to Today's [Economies] of Scale(s)...
And Other Profit related business models, {Ideas}, Services, Brokering, Consultant type Money Making Ventures etc. etc...
How Things have Not Changed... [A Recession]? What Do you think that Might be All About...
Great resource for All Kinds of other Purposes, Opportunities & possibilities Too! ...
http://smallbiztrends.com/2009/02/to...sses-2008.html
All the best,
Phil