Lui purchased $3,500 in shares of a labour sponsored investment fund through his RRSP. He lives in a province that matches the federal tax credit of 15%. He used the federal and provincial tax credits, and RRSP deduction on his income tax return. If Lui's marginal tax rate is 45%, what is the after-tax cost of the LSIF? a) $0 b) $500 c) $525 d) $875