What do you have in mind for the style and theme of the web page?
simple yet cool. business like.
Colors primarely: blue, grey, white
the design will be implemented as a responsive design using bootstrap, JQuery and Flot charts.
So solutions requirering fancy flash pages are a no-go.
2 illustrations of the pages content is attached.
The first illustration includes the user interaction: the user keys in 2 figures and presses a calculate-button. The result is shown and the user can then select another option and re-calculate.
The second illustration is just 3 figures and a best practices compared to each other.