There is hereby imposed on each applicable educational institution for the taxable year a tax equal to 1.4 percent of the net investment income of such institution for the taxable year.
For purposes of paragraph (1), the number of students of an institution (including for purposes of determining the number of students at a particular location) shall be based on the daily average number of full-time students attending such institution (with part-time students taken into account on a full-time student equivalent basis).
For purposes of this section, net investment income shall be determined under rules similar to the rules of section 4940(c).