Knowledge Management

Question:
Hi,
In Project Builder (TCode: CJ20N), after creation of an acitivity, we differentiate between billable activities & non-billable activities (I.e.: Mechanical Billable vs. Mechanical Non-Billable) by changing the actitity types.
When people enter, on their time sheet (TCode: CAT2), time against an activity, the activity type defauls from the project.
The purpose of changing the activity type is for non-billable activities to be excluded upon execution of transaction code "DP90 - Resource Related Billing". For that to happen, we specified "activity type" as a charaterisitc in our DIP Profile (tcode: ODP1 in IMG) and we created an activity type group containing the activity type we want to be proposed in DP90.
Is it the way to go or are we suppose to only use 1 type of activity type and have a person sort between billable & non-billable activities after execution of tcode DP90?
What is the best solution?
Thank you,
Arnaud
Answer:
If the duplication of activity types won't be a problem in master data maintainence, this is obviously a better option. Manually checking DP90 is almost unthinkable for most business.