题目内容：
【单选题】The Findley Company held a Groundhog Dayparty. The company expected attendanceof 200 persons and prepared the following budget:
Hotelroom rental $600
Food 500
Entertainment 800
Decorations 300
Totals $2,200
Afterall bills for the party were paid, the total came to $2,315. Details are: $575 for hotel room rental; $640for food; $750 for entertainment; and $350 for decorations. Two hundred persons attended the party.
Whichof the following costs deserves further examination assuming the FindleyCompany uses the management-by-exception rule?
A、Hotel room rent deserves further examination
B、Food deserves further examination.
C、Entertainment deserves further examination.
D、Decorations deserve further examination.
参考答案：