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HomeBackend DevelopmentPHP Tutorial【计算】农行助学贷款 利息计算逾期应该缴纳多少总额?

本帖最后由 default7 于 2013-10-14 15:55:48 编辑

助学贷款 利息计算 利率计算

【情况】
2006/09 入学,贷款 20000(2万人民币)。2010/06毕业。毕业后读研2年,2012/06读研毕业。

【假如】
本科期间无需利息。读研期间算展期,年利率 5.94% 。毕业后算逾期,年利率 10.26%。
假如在2013/10还清贷款。分期每月付款如下。
$data = array(20120621 => 360.33,20120811 => 341.46,20120911 => 341.46,20121011 => 341.46,20121111 => 341.46,20121211 => 341.46,20130111 => 342.22,20130211 => 337.04,20130311 => 337.04,20130411 => 337.04,20130511 => 337.04,20130611 => 337.04,20130711 => 337.04,20130811 => 337.04,20130911 => 337.04,20131008 => 334.99,20131009 => 2224.79,20131011 => 337.04,20131014 => 16223.38,);


【那么】
1)按照这个数据他实际应该付利息是多少?
2)假如他读研中途退学,那么利息该多少?




【参考】
以下是我自己写的一个PHP代码计算,看是否有误
';while($ttLeft > 0){    $money = $moneyArr[$i];    $month = $monthArr[$i];    $ttBack += $money; //累计还款总额    $rate = getRate($month);    $xi = $ttLeft*$rate/12;    $ttXi += $xi;    //$ttLeft += $xi;//假设不需要复利    $ttLeft -= $money; //减去已还款    echo ''.($i+1).'    时间:'.$month.',本月实际还款:'.number_format( $money ).'     算出本月利率:'.($rate*100).'%,算出本月利息:'.number_format($xi).',剩余:'.number_format( $ttLeft ).'';    $i++;    if($i > 100)    {        echo ' $i break;
'; break; }}echo '
总贷款:'.number_format( $moneyDK ).',总还款:'.number_format( $ttBack );echo '。此程序计算出总额外利息:'.number_format( $ttXi);



输出结果:
1 	时间:20120621,本月实际还款:360 	 算出本月利率:10.26%、利息:171、剩余:19,6402 	时间:20120811,本月实际还款:341 	 算出本月利率:10.26%、利息:168、剩余:19,2983 	时间:20120911,本月实际还款:341 	 算出本月利率:10.26%、利息:165、剩余:18,9574 	时间:20121011,本月实际还款:341 	 算出本月利率:10.26%、利息:162、剩余:18,6155 	时间:20121111,本月实际还款:341 	 算出本月利率:10.26%、利息:159、剩余:18,2746 	时间:20121211,本月实际还款:341 	 算出本月利率:10.26%、利息:156、剩余:17,9327 	时间:20130111,本月实际还款:342 	 算出本月利率:10.26%、利息:153、剩余:17,5908 	时间:20130211,本月实际还款:337 	 算出本月利率:10.26%、利息:150、剩余:17,2539 	时间:20130311,本月实际还款:337 	 算出本月利率:10.26%、利息:148、剩余:16,91610 	时间:20130411,本月实际还款:337 	 算出本月利率:10.26%、利息:145、剩余:16,57911 	时间:20130511,本月实际还款:337 	 算出本月利率:10.26%、利息:142、剩余:16,24212 	时间:20130611,本月实际还款:337 	 算出本月利率:10.26%、利息:139、剩余:15,90513 	时间:20130711,本月实际还款:337 	 算出本月利率:10.26%、利息:136、剩余:15,56814 	时间:20130811,本月实际还款:337 	 算出本月利率:10.26%、利息:133、剩余:15,23115 	时间:20130911,本月实际还款:337 	 算出本月利率:10.26%、利息:130、剩余:14,89416 	时间:20131008,本月实际还款:335 	 算出本月利率:10.26%、利息:127、剩余:14,55917 	时间:20131009,本月实际还款:2,225 	 算出本月利率:10.26%、利息:124、剩余:12,33418 	时间:20131011,本月实际还款:337 	 算出本月利率:10.26%、利息:105、剩余:11,99719 	时间:20131014,本月实际还款:16,223 	 算出本月利率:10.26%、利息:103、剩余:-4,226总贷款:20,000,总还款:24,226。此程序计算出总额外利息:2,717


回复讨论(解决方案)

对不对应该问出题的人,莫非你就是出题的人考我们?
php输出答案对就对,只有程序写得好不好的问题

对不对应该问出题的人,莫非你就是出题的人考我们?
php输出答案对就对,只有程序写得好不好的问题

答案跟这个不一致。不知道银行到底怎么算的,利率是浮动的。

利率当然是浮动的

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