Refer to the Scenario Below to Answer the Following Questions

Multiple Choice

Refer to the scenario below to answer the following questions.
The Loaned Car (Scenario)
Colleen is a student, and her older brother has loaned her an old car. The car is in need of several repairs before she will feel comfortable driving it.
-Colleen's brother has a different view of the repairs. He assumes that the mechanic is using the best information available, but there may be other unexpected repairs that surface once he begins the work. He warns Colleen not to be too surprised if the final bill exceeds the mechanic's original estimate. Her brother's observations are based on which assumptions?

A) rationality
B) certainty
C) bounded rationality
D) escalation of commitment
E) heuristics