Maria pays the following legal and accounting fees during the year:

Legal fees in connection with ongoing operations of a trade or business	$4,000
Legal fees related to purchase of personal residence	2,600
Legal fees related to tax deficiency related to Schedule A itemized deductions	500
Tax return preparation fees: Allocable to preparation of Schedule C	2,000
Tax return preparation fees: Allocable to preparation of remainder of return	2,100

What is the total amount of her for AGI deduction for these fees?

The answer is $6,000, but I cannot figure out how to get that. Can you please explain the steps to me.