Problem $2$: To assess the economic impacts and global warming potentials of final demands: $$1,000,000$ from sector #$8,$$$500,000$ from sector #$9$ and $$300,000$from sector #$10,$ it is found that there are seven other sectors involved in the entire supply chain, indicated as sector #$1,$#$2,$dots#$7,$ respectively. The IO table is given as $($rows and columns are sorted from sector #$1$ to #$10$ in sequence$)$: