省到水電：Bal b/f TW$27,010+TW$365=TW$27,375 Bal c/f
24.746593,93.425890
https://youtu.be/4XJRr_ElqCo?si=WnZrgKgkD2AzaJLY
https://youtu.be/3XuL78hXorY?si=P4V74IcFATfcdb1n
https://youtu.be/1gwWlQLdyNM?si=aUK4QwzW-0UMgKnk