2. The owner of grocery store chain is concerned that its managers might be using illegal or unethical pricing strategies.

As an expert, I recommend that the owner of the grocery store chain conduct an internal audit of the pricing strategies used by the managers to verify if they are in compliance with laws and regulations. The audit should also include a review of company policies and procedures related to pricing strategies, and any training or resources provided to managers on pricing laws and regulations. If any illegal or unethical pricing strategies are found, immediate corrective actions should be taken, such as retraining or disciplinary actions for the responsible managers.

Additionally, it may be helpful for the owner to consult with legal experts or other professionals in the industry to ensure that the store's pricing strategies are fair and legal. This will help maintain the store's reputation and consumer trust, leading to a stronger brand and customer loyalty.