So I've been writing my business plan and managed to stall out on the numbers. I am having trouble finding an accurate method to quantify my expenses. The company I am looking to start is helping medical offices go paperless, however I am having hard time getting an accurate measure of software development costs, how much each man hour should be worth, etc etc.

Any help on this? Would my best bet be finding another similar business that is perhaps out of state and trying to speak with them?