Bal b/f TW$57+TW$3=TW$60 Bal c/f
省到水電：Bal b/f TW$9,855+TW$365=TW$10,220 Bal c/f
https://www.orangenews.hk/VideoFeature/1252089/%E8%A1%97%E8%A8%AA-%E6%9D%B1%E5%8D%97%E4%BA%9E%E8%A9%90%E9%A8%99%E5%9C%92%E5%
省到水電：Bal b/f TW$9,490+TW$365=TW$9,855 Bal c/f
+855969616366
