Which component(s) do you use to calculate the average margin of four actions?

Which component(s) do you use to calculate the average margin of four actions?
A . one Set Property component
B. one Group By component
C. four Group By components
D. four Set Property components

Answer: A

Explanation:

You can use one Set Property component to calculate the average margin of four actions by using an expression that sums up the margin values of each action and divides by four. You can then use this property in other components, such as Filter or Prioritize.

References: https://academy.pega.com/module/creating-and-understanding-decision-strategies-archived/topic/setting-properties