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?