https://www.eprice.com.hk/mobile/talk/4902/224585/1
省到水電：Bal b/f TW$3,285+TW$365=TW$3,650 Bal c/f
https://tw.news.yahoo.com/%E6%9E%97%E5%A7%BF%E5%A6%99%E6%94%B6%E8%B3%84%E9%9B%A3%E6%88%90%E7%BD%AA-%E5%90%88%E8%AD%B0%E5%BA%
Bal b/f TW$0+CTM TW$1000+Lacuna de lucro TW$54=TW$1054 Bal c/f Observação 1º. Uso CTM um Tempos, De