When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message: Details of the .mdb file extension.
Retention is the percentage of people who were on staff and remained there from the start to the end of a time period, say, a year's first quarter. Employers can track the workers in this group and extract such information as occupation, rank or age.
The retention ratio is 100% for companies that do not pay dividends, and is zero for companies that pay out their entire net income as dividends.