Cullumber Company produces earrings, bracelets, and necklaces that are in high demand. Following is information for each of these products:

$\backslash$table$[[,$Earrings,Bracelets,Necklaces,$],[$Selling price per item,$$17\mathrm{.}45,$$$25\mathrm{.}50,$$$32\mathrm{.}60,],[$Variable cost per item,$14\mathrm{.}55,22\mathrm{.}50,27\mathrm{.}20,],[$Contribution margin per item,$$2\mathrm{.}90,$$$3\mathrm{.}00,,$$$5\mathrm{.}40$