Research two (2) manufacturing or two (2) service companies that manage inventory. Write a paper in which you: Determine the types of inventories these companies currently manage and describe their essential inventory characteristics. Analyze how each of their goods and service design concepts is integrated. Evaluate the role their inventory plays in the company's performance, operational efficiency, and customer satisfaction. Compare and contrast the four (4) different types of layouts found with each company; explain the importance of the layouts to the company's manufacturing or service operations. Determine at least two (2) metrics to evaluate the supply chain performance of the companies; suggest improvements to the design and operations of their supply chains based on those metrics.