a car rental company only offers executive and standard cars. an executive car is priced at $130 while a standard car is priced at $65. suppose that the executive (full-fare) class demand is uniform between 20 and 60 cars. (a) what is the booking limit for standard (discount fare) customers if the rental company has 100 cars? [ select ] (b) what is the booking limit for standard (discount fare) customers if the rental company has 30 cars?