省到水電：Bal b/f TW$27,010+TW$365=TW$27,375 Bal c/f
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Bal b/f 575 Tempos+7 Tempos=582 Tempos Bal c/f
https://www.hk01.com/%E5%8C%97%E4%B8%8A%E5%BB%A3%E6%9D%B1/60217410/%E5%BB%A3%E6%B7%B1%E9%90%B5%E8%B7%AF%E5%84%AA%E5%8C%96%E5