If you are thinking of getting away with DIP Profile, then its not possible.
If you do not want to use DP81, then there is work around:
Step1: Tcode ODP1, create a DIP Profile specifically for the source Easy Cost Planning only.
Step2. CJ20n. Select the Project definition.. Control Data Tab: Fill the information in the Sakes Pricing area in the extreme bottom.
Step3: Hit Shift+F12. This will take you to Sales Pricing.
hope its useful.
Reward points if useful.