Answer :
Answer:
None of the above
Explanation:
It is not intuition because Mariana consciously reasoned; the Halo effect is an overall rating (good or bad) on persons or companies based on one particular trait. In this case Mariana is only comparing the one trait of Acme she knows with other suppliers; confirmation bias, a tendency to (ab)use evidence to confirm theories, does not interfere with her decision either. I would say that her decision is partly economic, partly habit.