Serena is a 48-year-old single taxpayer. She operates a small business on the side as a sole proprietor. Her 2022 Schedule C reports net profits of $15,000. Her employer does not offer health insurance. Serena pays health insurance premiums of $7,800 in 2022. Serena also pays long-term care insurance premiums of $1,200 in 2022. Calculate Serena's self-employed health care deduction.