Peter is a CPA with a regional accounting firm that specializes in bank auditing. While auditing LargeBank, a publicly traded corporation, Peter reviewed its loans and realized that they were deteriorating or not being paid off as prescribed by their contracts. Consequently, reserves would be inadequate, and dividends would most likely discontinue. When Peter was visiting his parents, he mentioned LargeBank in passing. His parents responded by saying, "most of our retirement income comes from LargeBank's dividends.

1. tell his parents to sell the stock, but don't elaborate.
2. tell his parents to diversify.
3. tell his parents nothing.
4. tell his parents to see a financial planner/investment advisor.
5. tell his parents to sell the stock and explain why.