[問題] 年化報酬率
不知道用這種標題正不正確啊
我想問說
假設我今天『定期定額』投資 A 基金
那三年後要是報酬率是 60%
那這樣算是每年賺 20% 還是每年賺 60% 啊?
因為這三年間一直持續的增加投資金額
那這種報酬率應該是怎樣算才正確?
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