Final answer:
Motivated and competent workers, planning, policy, and procedure change or system adaptation will have a positive impact on customer service.
Step-by-step explanation:
A. True.
In a business setting, motivated and competent workers, as well as effective planning, policy, and procedure changes or system adaptations, can have a positive impact on customer service. Motivated and competent workers are more likely to provide excellent service, while effective planning and policy changes can improve the overall customer service experience. Therefore, the statement is true.