A 90-room motel has an average room rate of $65.60. Its fixed costs are $300,000 a year, and its variable costs total $476,000 at an average occupancy of 70 percent.

1. If the average room rate is increased by $8.00, and operating income of $100,000 a year is wanted, how many fewer rooms per night would need to be sold than was the case in part b?