What form is used to report the profits of a sole proprietorship?

The correct form used to report the profits of a sole proprietorship is Schedule C. Schedule C, officially known as "Profit or Loss from Business," is attached to the individual's personal income tax return (Form 1040). This form allows sole proprietors to detail their business income, expenses, and ultimately, the profit or loss generated from their business activities.

Sole proprietorships do not file a separate tax return for the business; instead, the income and expenses are reported on the owner's personal tax return, integrating the business earnings with their personal income. The net profit calculated on Schedule C flows directly into the Form 1040 as part of the total income for the year.

The other forms listed have different purposes. The 1040 form is the main individual income tax return, but it is not specifically for reporting business profits. The W-2 form is used by employers to report wages, tips, and other compensation paid to an employee, and does not apply to sole proprietors. Form 1065 is used for partnerships to report the income, deductions, gains, and losses of the partnership, which is not relevant to a sole proprietorship.