$1.$ Describe the complexities associated with a global supply chain. $2.$ Explain the data needs for managing volatility and uncertainty in a global supply chain. $3.$ Compare the siloed decision$-$making approach $($load$-$and$-$chase approach$)$ with the integrated, concurrent approach in terms of data management, data$-$ and decision$-$sharing, consolidation of processes, and resolving emerging supply chain issues. What are some of the issues of the siloed decision$-$making in terms costs, management, and scalability? $4.$ What are some challenges for a large$-$scale tech adaptation in a global company? Please expand on the concerns in terms of costs, implementation process, and technological innovation. Is it necessary to drop the existing systems and replace them with the newest, shiniest solution? $5.$ If you were Lizet, how you would convince senior executives to champion a sales and operations planning transformation?