In order obtain the total values at the end of the WIP Costs Report, please follow these steps:
Click on Options.
Go to System Maintenance.
Select System Settings.
Click on ANALYSIS System Settings.
Select Job Costing Options.
Untick the Include the costs of any pending SUB-WORKS ORDERS which have not yet been issued to their parent works order option.
Click on Save.
Now, when printing the WIP Costs Report again, it will display the totals, as otherwise the values would have been incorrect.