Final answer:
A manager should verify large bills to ensure financial accuracy, prevent fraud, and protect the company's interests, as illustrated by Noel's proactive steps in catching an overpayment error.
Step-by-step explanation:
The answer to the question depends on the specific policies and procedures of a company. However, the principle behind the statement that a manager should verify bills of 50 and above is generally true in the context of ensuring financial accuracy and preventing errors or fraud. For example, in a scenario provided, an employee named Noel noticed a significant overpayment on an equipment bill, nearly $250,000, and took proactive steps to prevent the error from resulting in an incorrect payment. This example illustrates why it is important for managers to verify large transactions to protect the company's financial interests.