In 2017, David, age 65, had adjusted gross income of $32,000. During the year he paid the following medical expenses:

Prescription medicines	$ 200
Doctors	$2,500
Medical care insurance	$ 400
Over-the-counter hair growth tonic	$ 250

What amount can David deduct as medical expenses (after the adjusted gross income limitation) in calculating his itemized deductions for 2017?

Please show your calculations and explain your answer. Thank you.