When sales are made in a local Wal$-$Mart, the sales data is sent to Wal$-$Mart headquarters where these sales

data are used to build a picture of the buying habits of people who shop at individual Wal$-$Marts across the

nation. The use of $\_\_\_\_\_$ makes this possible.

$[$A$]$ extranets

$[$B$]$ globalization

$[$C$]$ local area computer networks

$[$D$]$ point$-$of$-$sale $($POS$)$ systems

$[$E$]$ just$-$in$-$time $($JIT$)$ inventory management systems