Carrie owns a business that she operates as a sole proprietorship. The business had a net profit of $25,000 in 2019. This is Carrie's only earned income. How much must she pay for self-employment taxes? How much can she deduct on her tax return? If the business had a net loss of $10,000 (instead of a $25,000 profit), how much in self-employment taxes must Carrie pay?