निम्नलिखित में से कौन-सा एक कारक नियंत्रण के दायरे (span of control) को प्रभावित नहीं करता है?

Identify the advantages of decentralization from the following statements: A. No duplication of efforts or resources. B. Reduces problems of communication and red tape. C. Strong central leadership develops, which may be required in a crisis. D. Coordination of activities of subordinates is better achieved. E. Ensures the development of employees. Choose the correct answer from the options given below: