Using the following information: Performance data from an existing system that a new system will replace; Performance estimates that anticipate future workloads; Micro-partitioning and logical partitioning implementations.  Which of the following allows a technical sales representative to create a system design which can be imported into an HMC?（）

• A、IBM eConfig
• B、IBM Performance Monitor
• C、IBM Workload Estimator (WLE)
• D、IBM System Planning Tool (SPT)