Response to the following question:
Net Investment Income (NII) Tax
Compute the net investment income (NII) tax for each of the following taxpayers.
a. A married couple files a joint return. Their modified AGI is $316,990, and they have net investment income of $19,965.
b. A taxpayer files as head of household. His modified AGI is $270,888, and he has net investment income of $60,640.
c. A married taxpayer files separately from his spouse. His modified AGI is $306,408, and he has net investment income of $213,049