What obstacles or challenges do you anticipate having to overcome to complete your DBA What is your plan to address these obstacles/challenges?

I’m Persuing a doctorate  degree on Business Administration, and I want a SOP as sson as possible please by answering the follwoing questions:
1. What are your career aspirations after receiving your doctorate degree? Where do you intend to work and in which position? My answer is ( work as a professor because I’m teacher Assistance)  
2. What general area of business are you interested in studying (accounting, information systems, management, marketing) and why this area? What specific issues in that area interest you? My answer is Management 
3. How do you plan to use knowledge in this area in your personal/professional life?
4. What obstacles or challenges do you anticipate having to overcome to complete your DBA What is your plan to address these obstacles/challenges?
I want it to be two pages 2 to 3 pages maximum.

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