In What Order Should the Tests to Determine a Partnership's

In what order should the tests to determine a partnership's year-end be applied?

A) Majority interest taxable year; least aggregate deferral; principal partners test
B) Principal partners test; majority interest taxable year; least aggregate deferral
C) Principal partners test; least aggregate deferral; majority interest taxable year
D) Majority interest taxable year; principal partners test; least aggregate deferral
E) None of the choices are correct.