Rich and Shauna Nielson file a joint tax return, and they itemize deductions. Assume their marginal tax rate on ordinary income is 25 percent. The Nielsons incur $2,700 in miscellaneous itemized deductions, excluding investment expenses. They also incur $2,000 in noninterest investment expenses during the year. What tax savings do they receive from the investment expenses under the following assumptions?
a) Their AGI is $96,250
b) Their AGI is $144,500