省到水電：Bal b/f TW$8,030+TW$365=TW$8,395 Bal c/f
https://tw.news.yahoo.com/%E6%9D%B1%E4%BA%AC%E6%B1%A0%E8%A2%8B%E9%99%B7%E6%84%9B%E6%BB%8B%E5%8D%B1%E6%A9%9F-%E5%B0%BA%E5%BA%