Which statement most accurately describes the account planning service component in the prepare phase for Cisco Unified Communications（）

• A、It performs a detailed financial analysis， including current phone network costs， training， and return of investment.
• B、It researches unique challenges and conducts competitive analysis to determine a vertical approach and strategy.
• C、It identifies the key players， high-level solution requirements， timelines， and scope of the opportunity.
• D、It provides the partner with information regarding customer acceptance of the new solution.