This is a good question, but I suspect it's disingenuously framed, so as to stymie your parent. If she says "a lot", you reply "good luck to you, and you alon

This is a good question, but I suspect it's disingenuously framed, so as to stymie your parent. If she says "a lot", you reply "good luck to you, and you alone". If she replies "very little", you say "right, so your tax is going nowhere." Feels like possibly you are defending a local maximum.