(a)"cost", in relation to any ] [specified securities] [Substituted by Act 14 of 1997, Section 2, for certain words (w.e.f. 1.10.1996).][, means the amount invested in such ] [Inserted by Act 33 of 1996, Section 20 (w.e.f. 1.10.1996).][specified securities] [Substituted by Act 14 of 1997, Section 2, for certain words (w.e.f. 1.10.1996).][out of the net consideration received or accruing as a result of the transfer of the original asset; [Inserted by Act 33 of 1996, Section 20 (w.e.f. 1.10.1996).]