The Sheridan Inn is a restaurant in Flagstaff, Arizona. It specializes in southwestern style meals in a moderate price range. Paul Weld, the manager of Sheridan, has determined that during the last $2$ years the sales mix and contribution margin ratio of its offerings are as follows. Sales mix is determined using total sales dollars.

$\backslash$table$[[,\backslash$table$[[$Percent of$],[$Total Sales$]],,\backslash$table$[[$Contribution$],[$Margin Ratio$]],,],[$Appetizers$,15,\%,,50,\%$