(a) the aggregate ofi. the amount by which its cumulative Canadian exploration expenses at the end of the year exceed the amount, designated by it for the year for the purposes of the Income Tax Act (Revised Statutes of Canada, 1985, chapter 1, 5th Supplement) under subsection 14.1 of section 66 of that Act, and
ii. the amount by which the aggregate determined under subparagraph i of paragraph a of section 418.31.1 in respect of the corporation for the year exceeds the amount that would be determined in respect of the corporation for the year under paragraph d of section 330 if the aggregate last referred to in that paragraph d were not taken into account; and