If clause (21.2)(b)(ii)(B) applies to deem, for the purpose of section 110.6, the beneficiary to have a taxable capital gain (referred to in this subsection as the “QSBC taxable capital gain”) from a disposition of capital property that is a qualified small business corporation share of the beneficiary, for the beneficiary’s taxation year in which the designation year of the trust ends, for the purpose of subsection 110.6(2.3), the beneficiary, where the trust complies with requirements of subsection (21.24), is deemed to have a taxable capital gain from the disposition of a qualified small business corporation share of the beneficiary on or after March 19, 2007 equal to the amount determined by the formula A × B/C where A is the amount of the QSBC taxable capital gain; B is, where the designation year of the trust includes March 19, 2007, the amount that would be determined in respect of the trust for the designation year under paragraph 3(b) in respect of capital gains and capital losses if the only properties referred to in paragraph 3(b) were qualified small business corporation shares of the trust that were disposed of by the trust on or after March 19, 2007; and C is, where the designation year of the trust includes March 19, 2007, the amount that would be determined in respect of the trust for the designation year under paragraph 3(b) in respect of capital gains and capital losses if the only properties referred to in paragraph 3(b) were qualified small business corporation shares of the trust.