What is the relationship between a firm's operations management process and its supply chain?

Operations management focuses on procurement of inputs, while the supply chain is concerned with sales of outputs.

Operations management and the supply chain are the same thing, both covering the same, processes within the firm.

The supply chain manages the firm's internal processes, while operations management oversees external relationships.

Operations management is responsible for the transformation of a firm's inputs into its outputs, while the supply chain coordinates the flow of materials and information between all firms involved in the supply chain.

Operations management and the supply chain are completely independent of each other. with no direct interaction.