银行定期整存整取的年利率是:二年期7.92%,三年期8.28%,五年期9%。如果甲乙二人同时各存入1万元,甲先存二年期,到期后连本带利改存三年期;乙直存五年期。五年后二人同时取出,那么,谁的收益多?多多少元?(H+l,R:W
解:甲的总利息(H+l,R:W
[10000×7.92%×2+[10000×(1+7.92%×2)]×8.28%×3(H+l,R:W
=1584+11584×8.28%×3=4461.47(元)(H+l,R:W
乙的总利息 10000×9%×5=4500(元)(H+l,R:W
4500-4461.47=38.53(元)(H+l,R:W
答:乙的收益较多,乙比甲多,L+K5[/?)j'Y6l*i7K元。(H+l,R:W