問題已解決
1、一項(xiàng)600萬元的借款,借款期3年,年利率為10%,若每半年復(fù)利一次,求年實(shí)際利率? 2、某公司第一年初借款20000元,每年年末還本付息額均為4000元,連續(xù)9年還清。求借款利率?[已知(P/A,12%,9)=5.3282,(P/A,14%,9)=4.9464]
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1.實(shí)際利率=(1+10%/2)×(1+10%/2)-1=10.25%
2.本題符合普通年金現(xiàn)值公式:20000=4000×(P/A,i,9),(P/A,i,9)=5,用內(nèi)插法求解:
根據(jù)(P/A,12%,9)=5.3282,(P/A,14%,9)=4.9464,得到:
(i-12%)/(14%-12%)=(5-5.3282)/(4.9464-5.3282)
i=12%+(14%-12%)×(5-5.3282)/(4.9464-5.3282)
i=13.72%
2022 03/23 11:13
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