Q $2.$ The quality department in a manufacturing company has identified some issues with the quality of the final product. The chemical plant is planning to implement a recycle stream to address this issue. $($a$)$ Discuss the potential benefits and challenges associated with incorporating a recycle stream in a process.$[$The answer should have minimum $6$ points $($including benefits and challenges$)$ and each point should be properly justified. $]($b$)$ Discuss the probable reasons why the quality of the desired product might have deviated from the required specifications. $[$The answers should include $2-4$ reasons with explanations for why the quality of the desired product might have deviated from the required specifications$]$