Revenue Management UI requests

The UI is very difficult to use in reality. It is quite nice looking, but it is tough to use in real situations. Ideas for improvement:

1) Allow input of a percentage in every place that a slider can be used.
2) Have a SAVE or COMMIT button so that I can can view what I am doing
3) Do not limit me to 20%
4) In the Price Forecast, when at zero percent, it shows me a Base Price $ value. When I reduce the value by a percentage, I can no longer ever see the number from which everything is based from. This makes The SEASONALITY numbers even more confusing. They are a percentage of a percentage. To see what I am trying to say, reduce the Price Forecast by 20%. Now, adjust the Seasonality numbers by a percent. This is very confusing.