You run a hotel with 867 rooms. You currently have 909 rooms reserved for a particular upcoming weekend. Historical trends indicate that this far out from the date in question, your booking rate is probably 77%. If you think you will have a materialization rate of 81%, do you expect to have enough rooms for the upcoming weekend? o a) You expect to be have more than 10 rooms unused. o b) You expect to be within 10 rooms of being exactly full. c) You expect to have more than 10 guests with no rooms.