You can see the form and breakdowns here, About Schedule C (Form 1040), Profit or Loss from Business IRS. The best thing you can do is learn, see Small Business and Self-Employed Tax Center for the answer to every question you will ever have.
It includes these links as well:
Also, from Turbo Tax:
:Is my business an SSTB?
What can I expense or depreciate with the business safe harbor election?
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