Final answer:
The most appropriate step is to attempt to locate the gold earrings online or at another store. If that fails, offering alternatives and maintaining a positive service interaction is essential.
Step-by-step explanation:
When a customer is seeking an item that is out of stock, the best practice for providing excellent customer service involves exploring all potential avenues to fulfill the customer's needs. In this scenario, the most appropriate next step would be option b: Attempt to try and locate the earrings online or at another store. You should check the store's inventory system for availability at nearby locations or the possibility of placing an online order. If this is not possible, you may also offer to contact other stores on the customer's behalf or notify him if the item is restocked.
If the item cannot be sourced, the customer service representative should explain the situation and offer alternatives that might appeal to the customer, such as a different style of earrings or a matching set of jewelry. Giving the customer options helps maintain a positive shopping experience and could lead to a satisfactory outcome, even if the original item is unavailable.