7.3 – Discussion: Lean Supply Chain . . .Post a complete and thoughtful response to one of the discussion topics below:Topic 1: To implement a lean supply chain, researchers argue that a system-wide approach should be taken to control inventory investment. Discuss the argument with your own experiences in your organization.Topic 2: Purchasing transportation services is typically the largest cost component of any product. Discuss how a purchasing agent can reduce this cost while maintaining the desired level of service. It is important to consult outside sources (and list those that you use) beyond the course textbook.Topic 3: In the early 21st century, e-Purchasing has allowed individual departments to purchase many items that were once purchased by a central purchasing agent. What kinds of issues may this cause based on the information you have learned thus far in this course?After posting your response, provide feedback to at least two of your peers in more than one topic area.Review the rubric for grading criteria.Post a complete and thoughtful response to one of the discussion topics below:After posting your response, provide feedback to at least two of your peers in more than one topic area.Review the rubric for grading criteria.