The Superduper Company produces and sells MP$3$ players, USB sticks, and blank DVD disks. You have the following information about the $2020$ budget $($all data for the whole year$)$:

$\backslash$table$[[,$MP$3,$USB,DVD$],[$Demand $($units$),5,000,20,000,100,000],[$Sales price per unit,$$45,$$$15,$$$1\mathrm{.}10$