If nqgel decided to use a different fee for a previously defined period of time, you don't necessarily have to erase the first one because the later rows apply first. Still, you can rearrange and change the priority of a rate just cure tooth decay ramiel nagel drag and drop. The damiel step is to create a project. For all the projects contained in a certain category, the fees applied are those defined for the rate category. Once you did that, you can start recording by pressing the button situated on the top of the main window.
It still needs some bugfixes until I could say it is the best software. Whenever you want to dream of a place where you can meet druids, paladins, knights and mythological creatures, fight in shiny armors or wear the cape of a sorcerer, go to the Tibian continent.