With this point, you list all entered assets. You change an asset, if you double-click on it. It doesn't work, if the menu-point "Change Asset..." is still open. If you double-click on an asset, while you hold the option and control key down, you can enter the decrease date. After clicking on an account, you can delete it with "Delete" from the menu "Edit", or with the "Del"-Key. You print the exploitation with "Print" from the menu "File".