one other issue about markups...it depends on your manpower and your volume.
for example...if you are a 2 man shop and sell approx $100,000 in material (your cost) and you only markup 20%, you'll lose your shirt.
if you are a 100 man shop and sell $1,000,000 in material (your cost) you make money at that markup.
this is simply due to your fixed costs being spread out more.
then, don't confuse markup and margin. if you do, you will be sorry.
