我一般就算個邊際稅率（偏導數），TurboTax 做完稅後把每一類收入加100，看稅變化多少

來源: slow_quick 於 2023-02-26 15:06:36 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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