360R52. The expense referred to in paragraph c of section 360R48 does not include(a) the cost of borrowing capital, including a cost incurred before the start of operations of a business that constitutes a Canadian development expense;
(b) an expense renounced by the taxpayer under section 417 of the Act;
(c) an amount referred to in paragraph c of section 408 of the Act;
(d) an amount that, under paragraph d of section 408 of the Act, was for a taxpayer a Canadian development expense if such amount was an expense referred to in paragraph a or c that was incurred by a partnership referred to in that paragraph d; and
(e) an amount that, by virtue of paragraph e of section 408 of the Act, was for a taxpayer a Canadian development expense if such amount was an expense referred to in paragraph a or c that the taxpayer incurred pursuant to an agreement referred to in paragraph e of section 408 of the Act.