Problem: Laura, a marketing manager, is evaluating a new advertising campaign for her company. She's excited about this campaign because she personally designed it and believes it will be a huge success. However, she needs to make an objective assessment before launching it. Question: What error in decision-making should Laura be cautious about when evaluating her advertising campaign? Select one: • a. Confirmation Bias Ob. Availability Bias • 6. Groupthink • d. Sunk Cost Fallacy