15. Martin is worried about how much tax he will have to pay this year and he is looking for anything that he might have missed that will decrease his Taxable income. All of the following could decrease his Taxable income, with the exception of: i. a deduction for contributions to an RPP. ii. application of a net capital loss carryforward. iii. application of a non-capital loss carryforward. iv. a credit for a charitable donation