A company has implemented a office supplies thrift plan since the beginning of last year  Each employee can only receive a limited amount of paper and pens and other office supplies for free every month  At the end of the year, it was found that the company's expenditure on various office supplies decreased by 30% compared with the previous year  In the past five years when the plan was not implemented, the company consumed 100000 yuan of office supplies per year
Another company with similar scale and other basic conditions has not implemented a similar thrift plan, and the average annual consumption of office supplies has also been 100000 yuan in the past five years
 The general manager of the company concluded that the plan had saved a lot of money for the company last year