Shirley is a successful lawyer. She is now working in a renowned law firm. She has a lot of customers and her daily schedule is basically full. Recently, Shirley has been thinking whether she should opt to leave the law firm and open a firm of her own. She is unable to make decision as her thoughts are disturbed of the pros and cons of both decisions.

Task:
With relevant management principles, discuss the approach to be used by Shirley to assist her in the decision making of this major decision. Explain the reasons for the chosen approach