An item is high er tails, 192 ribs of beef, 2. if 123 salmon steaks, 171 beef steaks, 86 broiled chickens, 36 lobster t and 204 seafood casseroles are sold, what is the popularity index for each fixed costs are 45 percent of $3,904. average check is s9.95. w be to break even? how many customers must be served? hat must the dollar vol ume 3.