Select the project and click the menu Project > Open project data editor> .
The projectdata editor will be showed.
Click on the COCOMO tab. It will show the Cocomo editor of the project editor.
Select the default sub estimation. Click on the tab Info in the Setting section . Change the name as SubEstimation .
Select the SubEstimation and select the count Booking Manager .
Set the complexity of some cost factors .
The estimation for this count will be calculated.
Select the base estimation Estimation_I
Set the complexity of some scale factors .