Coronado Industries sells two types of computer hard drives. The sales mix is $30\%($Q$-$Drive$)$ and $70\%($Q$-$Drive Plus$)$ based upon quantity of units sold. Q$-$Drive has a unit variable cost of $$90$ and a selling price of $$200.$ Q$-$Drive Plus has a unit variable cost of $$120$ and a selling price of $$190.$ The weighted$-$average unit contribution margin for Coronado is

$$98.$

$$200.$

$$82.$

$$100.$