1. A non-transitory computer-readable medium storing computer-executable instructions that when executed by a computer cause the computer to perform a method, the method comprising: receiving a request for a penalty and interest assessment value; determining if the request includes a request for calculation details; when the request includes a request for calculation details, calculating the penalty and interest assessment value using data received with the request; populating one or more calculation details based on the calculation of the penalty and interest assessment; and displaying the calculated penalty and interest assessment value and the calculation details.