Chapter 15- Sourcing Decisions in a Supply ChainExplain the differences between quantity flexibility and buyback contract. Design collaboration with suppliers can help a firm reduce cost, improve quality and decrease time to market. Support this statement with a brief explanation. What are the best practices for an effective design collaboration?Chapter 16 – Pricing and Revenue Management in a Supply ChainWhat do you understand by dynamic pricing? Discuss its application in airline industry. How can a kids’ bouncy place use revenue management to improve financial performance?Chapter A – Information Technology in a Supply ChainWhat do you understand by software as a service (SaaS)? What do you understand by cloud computing and it application with SaaS?