What is a benefit of Program Increment (PI) Objectives?

What is a benefit of Program Increment (PI) Objectives?
A . To promote the creation of fixed plans that will deliver predictable revenue
B. To promote Business Agility by giving teams options on how they might deliver Features
C. To provide the proper allocation of capacity

Answer: B

Explanation:

https://www.scaledagileframework.com/pi-objectives/