In 2019, 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	$1,400
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 2019?

a.$1,700

b.$4,100

c.$0

d.$900

e.None of these choices are correct.