Please help me work through this problem

Please help me work through this problem

Sylvester files as a single taxpayer during 2013 and claims one personal exemption. He itemizes deductions for regular tax purposes. He paid charitable contributions of $12,200, real estate taxes of $2,300, state income taxes of $4,750, and interest on a home-equity loan of $1,800. Sylvester’s regular taxable income is $117,000.

What is Sylvester’s AMTI if he used the home-equity proceeds to purchase a car?

What is Sylvester’s AMTI if he used the home-equity loan proceeds to build a new garage next to his home?