Answer:
This statement suggests that as the level of customer involvement increases, the complexity and difficulty of designing and managing operations also increases. When customers are more involved in the process, they may have more specific needs, requirements or expectation that need to be met by operations. This can make it more challenging to design and manage operations in a way that meets these needs, while also being efficient and cost-effective. Additionally, when customers are more involved, the operations may need to be more flexible and adaptable to changing customer needs, which can add complexity to the design and management of operations.