1. SAP Help Portal
SAP Billing and Revenue Innovation Management
"Solution Overview": This document outlines the key components of the BRIM solution. It explicitly describes Subscription Order Management for managing customer contracts and Convergent Charging for "calculating (rating) and determining the price (charging) of services." This directly supports options B and D.
2. SAP Help Portal
SAP Billing and Revenue Innovation Management
"Subscription Order Management": This section details the business process for managing the complete lifecycle of subscriptions
from creation to modification and cancellation
confirming that "Manage Subscription" is a core BRIM process.
3. SAP Help Portal
SAP Billing and Revenue Innovation Management
"SAP Convergent Charging": This documentation specifies that Convergent Charging's role is to "implement pricing and charging logic" and "calculate charges" for service usage
directly validating the "Calculate Price and assign Charge" process.