Final answer:
If the staff in an electrical shop are not knowledgeable, it can have a negative impact on the business in several ways, including loss of trust, frustrated customers, and decrease in revenue.
Step-by-step explanation:
If the staff in an electrical shop are not knowledgeable, it can have a negative impact on the business in several ways. Firstly, customers may not receive accurate and helpful information about the products, leading to a loss of trust and potential sales. Secondly, staff members may not be able to effectively troubleshoot or provide technical support, resulting in frustrated customers and potential returns. Lastly, the reputation of the shop may suffer, leading to a decrease in customer traffic and overall revenue.