Rex needs to immediately hire new staff for a new compliance department. Rex is in a rush to go through the numerous job applications in front of him, so Rex takes a shortcut by hiring anyone who graduated from college with a 3.8 GPA or higher and over five years of compliance experience. This will work for now until he can establish more detailed job criteria. In evaluating the applications this way, Rex is: a. implementing an emotion based decision-making process b. justifying his decisions with post hoc rationalization c. integrating algorithmic thinking d. using a heuristic e. applying a bias