This machine at the Nakabayashi office is able to convert discarded office paper into toilet paper – yes, this means the accounts department no longer needs to keep track of petty cash used to buy rolls of toilet paper for everyone at the office, although they will need to include the $95,000 price tag required to purchase this machine into their accounts. The return of investment isn’t exactly stunning though – 1,800 sheets of A4 paper will churn out just two rolls (!) of toilet paper. Well, at least you can proudly let your boss know you wiped your rear end with the company’s annual report without him being able to do anything about it.