Based on the book, Kerzner, H. (2017). Project Management: A systems approach to Planning, Scheduling, and Controlling (12th ed.). or in PMBOK 7th Edition, answer the below question: Which of the following provides the right phases of portfolio management: a. Initiation, planning, execution and optimization b. Initiation, planning, execution, and closing c. Establishment,addition,planning, execution, and closing d. Addition, planning, optimization,and closing