Computers Table $7\mathrm{.}8$ gives the $2016$ and $2017$ number of computers shipped $($in millions$)$ by each of the top five computer companies.

Table $7\mathrm{.}8$ Top computer companies.

$1.$ Place the data into a two$-$dimensional array. $($Use Computers.txt$.)$

$2.$ Display the number that gives the total change in the number of computers shipped for these five companies. See Fig. $7\mathrm{.}70$ on the previous page.