Cost by Year of Cloth vs Paper










Paper per month
Based on 3 changes/day
¥18,000







Paper per month
Based on 1 changes/day
¥6,000







Cloth per year ¥80,000







Increase in Utility costs 20%

















* 1st Year, reduce paper usage by 50%


* 2nd Year, reduce paper usage by 100%; Occasional use for travel only.


* 3rd year and on, 100% cloth usage; Occasional use for Travel only.


* Assume 20% increase in utility costs.












  2010 2011 2012 2013 2014 2015 2016

Total Cost of Paper ¥216,000 ¥72,000 ¥6,000 ¥6,000 ¥6,000 ¥6,000 ¥6,000

               

Utility Cost for Cloth ¥28,800 ¥28,800 ¥28,800 ¥28,800 ¥28,800 ¥28,800 ¥28,800

Soap cost for Cloth ¥6,480 ¥6,480 ¥6,480 ¥6,480 ¥6,480 ¥6,480 ¥6,480

Initial/replace Purchase of Cloth ¥80,000 ¥0 ¥0 ¥80,000 ¥0 ¥0 ¥80,000

Total Cost of Cloth ¥115,280 ¥35,280 ¥35,280 ¥115,280 ¥35,280 ¥35,280 ¥115,280












             

Overall Expense! ¥331,280 ¥107,280 ¥41,280 ¥121,280 ¥41,280 ¥41,280 ¥121,280



















































Cost over next # years 40







Using only Paper ¥8,640,000  x 






Using only 1~2 paper/day
and cloth for rest
¥2,717,867 -¥5,922,133






Using only Cloth ¥1,560,587 -¥7,079,413