Final answer:
Operations management is responsible for orchestrating all the resources needed to produce the final product, except for managing cash flow.
Step-by-step explanation:
Operations management is responsible for orchestrating all the resources needed to produce the final product. This includes designing work methods, managing inventory, arranging schedules, and controlling quality. However, managing cash flow is not directly a responsibility of operations management. Cash flow management falls under the purview of finance or accounting departments in an organization. Therefore, the correct answer is option (b) managing cash flow.