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請(qǐng)教老師有效利率為啥要?1跟?1呢
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舉個(gè)例子
年利率為12%,半年付息一次,求實(shí)際利率.
半年付息一次,所以就變成一年付息兩次,半年利率=12%/2=6%.
假設(shè)本金為A,則一年后本金和利息=A*(1+12%/2)^2
實(shí)際利率=(期末收入-期初投入)/期初投入=[A*(1+12%/2)^2-A]/A
=(1+12%/2)^2-1
2023 07/12 10:33
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