Individual Return on Investment Calculator Please enter the number of times you use the following library services each month. Your Use Library Services Value of Services Books Borrowed per Month $ Magazines Borrowed per Month $ Videos Borrowed per Month $ Audio Books Borrowed per Month $ In-Library Magazine Use per Month $ Interlibrary Loans per Month $ Meeting Rooms Use (Hours per Month) $ Program/Class Attended per Month - Adult $ Program/Class Attended per Month - Child $ Computer Use (Hours per Month) $ Databases Used per Month (Number of Separate Databases) $ Reference Questions Asked per Month $ Value you receive monthly from this library: $ For every $1.00 in taxes you invest in your library, you receive $ of value in return* Where did these numbers come from? Typical taxpayer contributions are determined from the library's 2009 local income per capita. We borrowed value of library service figures from Maine State Library"s Library Use Value Calculator. For more information, see their explanation. *Your personal return on investment is based on your responses and the typical annual tax contribution for Fairview Heights Public Library. You see a returned value of $ for every one dollar invested.