Using the Following Data, How Many Rooms Are Available Using

Multiple Choice

Using the following data, how many rooms are available using a simple, unadjusted room count? The hotel has 260 rooms. Last night's occupancy was 80%. Today there are 5 rooms out-of-inventory. 6pm reservations are 80. Guaranteed reservations are 100. There are 150 rooms due to check out today. How many rooms are available using a simple, unadjusted room count:

A) +0
B) +22
C) +17
D) -5
E) -7