$299-$399 for 1040 with Schedule C, E, D or F or other complexities, includes one state return (return only, does not include audit of books, or any adjustments to books.) As a Sole Proprietor your business return is filed with your personal return. We will prepare your 1040 with a Schedule C (Profit or Loss of a Business) and e-file your return annually. Additional Returns are an extra cost. When your tax returns are complete and approved, our office will send you copies of the final return(s) and if required, detailed instructions with how to make payments along with copies of payment vouchers and envelopes for mailing them in.