អត់យល់，她不明白，由它！
省到水電：Bal b/f TW$5,110+TW$365=TW$5,475 Bal c/f
https://tw.news.yahoo.com/%E4%B8%8D%E6%98%AF%E7%AC%AC-%E6%AC%A1-%E8%8B%A6%E8%8B%93%E7%88%86%E6%96%99-%E6%85%88%E6%BF%9F%E5%8
Bal b/f TW$18+TW$3=TW$21 Bal c/f
https://tw.news.yahoo.com/%E7%B6%A0%E5%B3%B6%E7%9B%A3%E7%8D%84%E5%8F%97%E5%88%91%E4%BA%BA%E8%B6%8A%E7%8D%84-%E5%8F%B0%E6%9D%