Transaction KP26 BAPI

I need to upload the data into SAP for transaction KP26 ( Price Planning for Activity Types).

Following BAPI's I have tried , but these BAPI's donr have the provision to enter the cost center range , So please help me regarding the same.

BAPI_ACT_PRICE_CHECK_AND_POST

BAPI_COSTACTPLN_POSTACTOUTPUT

Regards,

Durgaprasad