Need help with Part B and C

Geoffrey, age 45, is recently divorced and maintains a household in which his dependent aunt lives. He has the following income and expenses in 2017:

Salary income	$74,000
Interest income	1,200
Dividend income	1,800
Child support paid	12,000
Mortgage interest on residence	2,500
Property tax on residence	900
Medical expenses for Geoffrey	1,600
Medical expenses for aunt	5,950
Penalty imposed on premature withdrawal of funds from a certificate of deposit	675
State income tax	2,440
Federal income tax	12,300

a. Classify the following expenses as either "Deductible for AGI", "Deductible from AGI", or "Not deductible".

Child support paid	Not deductible
Mortgage interest on residence	Deductible from AGI
Property tax on residence	Deductible from AGI
Medical expenses for Geoffrey	Deductible from AGI
Medical expenses for aunt	Deductible from AGI
Penalty imposed on premature withdrawal of funds from a certificate of deposit	Deductible for AGI
State income tax	Deductible from AGI
Federal income tax	Not deductible

The personal exemption is $4,050 for 2017.

b. Geoffrey's gross income is $, and his AGI is $.

c. Compute the amount of his total itemized deductions (after any limitations). $