See different possibilities for this transaction:
STEP 1
Start the transaction using the menu path or transaction code
Display cost element group: Initial Screen
STEP 2
Enter the name of the cost elements hierarchy and
There are 2 standard cost elements hierarchy
STEP 3
The cost element group is displayed
To find a cost element in a hierarchy with the transaction KAH3.
Click Edit in the header. Choose "Cost element" and "Find"
Enter the cost element you are looking for and click
The cost element is highlighted in red
=> the cost element 98120010 is included in the group ZRCS-VVC22