A doughnut shop makes three basic types of doughnuts: cream filled, chocolate filled, and jam filled. The doughnut shop manager is analyzing the product mix and has collected the following information:

$\backslash$table$[[,$Chocolate,Cream,Jam$],[,$Filled,Filled,Filled$],[$Sales price per dozen,$$4\mathrm{.}00,$$$3\mathrm{.}00,$$$2\mathrm{.}50$