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书上有道题:
A bank quote certificate of deposit (CD) yields both as annual percentage rates(APR),without compounding and as annual percentage yields(APY) that include the effects of monthly compounding.A $100,000 CD will pay $110,471.31 at the end of the year.Calculate the APR and APY the bank is quoting.
答案:
For APR,PV=100,000;FV=-110,471.31MT=0;N=12,算出APR=10%
For APY,APY=(110,471.31/100,000)-1=10.471%
这里我不明白,为什么APY是直接算出来的,我和答案的算法刚好相反,是我把题目理解错了么?各位大侠帮忙回答一下,谢谢了! |
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