not a trust exempted ftom net investment income tax under irc1411 purely charitable trusts decedent estate qualified retirement qualified tuition programs Solution The Net Investment Income Tax is imposed by section 1411 of the Internal Revenue Code. The NIIT applies at a rate of 3.8% to certain net investment income of individuals, estates and trusts that have income above the statutory threshold amounts. The following trusts are not subject to the Net Investment Income Tax: Thus answer is Option B, Decedent Trust.