https://youtu.be/3XuL78hXorY?si=P4V74IcFATfcdb1n
省到水電:Bal b/f TW$26,645+TW$365=TW$27,010 Bal c/f
https://youtu.be/cebFgWoPOEY?si=7Jw5M9ZcJNWAi0OM
https://youtu.be/oLB-mel1OT4?si=Dl_qDITEiSUKc88z
省到水電:Bal b/f TW$27,010+TW$365=TW$27,375 Bal c/f