省到水電:Bal b/f TW$27,740+TW$365=TW$28,105 Bal c/f
https://youtu.be/dIPl14EquNc?si=9Sf9p-nUNfBJNSWP
https://youtu.be/0AMYe3p7VwY?si=nDddSNaFqHrJXNF-
https://youtu.be/Qpye-2sr__c?si=MfmZfJmss18-Wswy
https://youtu.be/vrIOB3miQqY?si=fVAvSdpK0Yd5l0Bt