Final answer:
The Production Manager needs information about future sales, inventory, and resources to manage production and labor effectively within the context of the industry's market structure.
Step-by-step explanation:
The manager who requires information regarding future sales levels, current inventory levels, and the availability and cost of resources needed to produce goods and services is the Production Manager.
These details are crucial for the Production Manager to effectively plan and manage the production process, including deciding what products should be produced, how they should be produced, determining the optimal output level, and managing labor. Information on the market structure is also relevant as it impacts pricing strategies and the level of competition within the industry.