During backlog refinement meeting, the new developer on the team asks the product owner to discuss a new performance threshold requirement and how it impacts the stories in the backlog.
What should the team do?
A . Add this threshold requirement request as acceptance criteria in all impacted stories
B . Create a spike story to analyze the impact of the threshold requirement on current stories
C . Conduct design planning session to review the performance threshold requirement
D . Identify the tasks for the new performance threshold requirement
Answer: B