The Product Owner has explicit accountability for product value. The Scrum Guide states: "The
Product Owner is accountable for maximizing the value of the product resulting from the work of the
Scrum Team."
A: The Scrum Master ensures Scrum effectiveness, not value.
B: Correct—value maximization is their role.
C, D: Execs and Developers support, but don’t own this.
Exact Extract from Scrum Guide: "The Product Owner is accountable for maximizing the value of the
product resulting from the work of the Scrum Team. How this is done may vary widely across
organizations, Scrum Teams, and individuals." (Section: "The Product Owner")
Thus, B is correct.
Reference: Scrum Guide (2020), Section: "The Product Owner."
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