問題1.300000(本金)= 71280(年付=5940 × 12月=71280)× PVIFA(i. 5)PVIFA(i. 5)= 4.209 查表PVIFA(6%. 5)= 4.2124 ; PVIFA(7%. 5)= 4.1002內插法求年利率= 6.303% ...
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