Last year, Sylvia declared a $12,500 taxable capital gain on her income tax return. This year, she realized a capital gain of $10,000 and a capital loss of $18,000 before the end of the year. What is the maximum amount of allowable capital loss that Sylvia will be able to carry back to reduce last year's taxable capital gain? cGN1emFaZk!Ca3IEUDVxdEh0bFp4Zz09 @ a. $8,000 b. O $4,000 c. $4,500 d. O $9,000