That formula is actually pretty good, but, it assumes that the business is not based upon it being the type of business hinging on one persons work. Thus, something like a restaurant or store, this formula works pretty well.
I'm feeling bearish, and I'm packing a Wusthof Grand Brisket slicer from MABA
I'm a good home chef, and get frequent comments that I should go into business, but I will not be flattered into that living hell. - Maskirovka
"perhaps...but then again...maybe not..."