说明：  动态PowerBI仪表板，旨在回答利益相关者关于呼叫中心的各种KPI的问题。项目中提供了概述问题陈述和利益相关者要求的文件。
(A dynamic PowerBI dashboard that seeks to answer questions that the stakeholders have regarding various KPI s of a call center. The document outlining problem statements and stakeholder requirements is provided in the project.)