"...Many different departments within an organization now require access to the same data. With conventional file processing, data are often duplicated in multiple files. Often data are stored in different formats in each of the files in which they are stored. On occasion, data which are stored in multiple files do not agree and time has to be expended to resolve these differences. (Sourced from an Academic journal) 

List and illustrate 2 benefits of a suitable database system to support a business like this.