Louey's Greasey Spoon restaurant charges $15 for each dinner entree and $5 for each dessert selection and they offer a dinner special that provide an entree and dessert for $18. If a diner at Louey's assigns zero value to dessert and $19 to an entree, what is their optimal decision? a) buy only the entry b) buyer the dinner special, c) buy only the desert selection d) we do not have enough information to determine the optimal decision