Carlito is a freelance website designer. His net self-employment income was $48,700 this year. His wife, Lindsay, is a restaurant manager and was eligible all year for a family health insurance policy through her employer. All year, Carlito paid $300 per month for his own health insurance. What is the total amount of health insurance premiums that Carlito can deduct as an adjustment to income on their tax return? $0 $300 $1,800 $3,600