For the purposes of these formulas,(1) A is the total tax paid by the particular individual;
(2) B is the tax paid under section 16 in respect of the amount of the rebate to which the particular individual is entitled in respect of the supply of the residential complex or unit under subsection 2 of section 254 of the Excise Tax Act (Revised Statutes of Canada, 1985, chapter E-15);
(3) C is the total consideration.