Mitch, who is single and age 46 and has no dependents, had AGI of $100,000 this year. His potential itemized deductions were as follows.

Medical expenses (before percentage limitation)	$15,000
State income taxes	3,000
Real estate taxes	7,000
Mortgage interest (acquisition of primary residence)	13,000
Home equity loan interest (loan used to finance the purchase of a car)	4,000
Unreimbursed employee expenses (before percentage limitation)	4,300

What is the amount of Mitch's AMT adjustment for itemized deductions for 2017?

a.$10,000.

b.$16,300.

c.$12,300.

d.$34,300.