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【单选题】
The Delta Delta Delta Sorority held a homecoming party. The sorority prepared the following budget for 50 expected attendees:



Room rental $170

Food 250

Entertainment 150

Decorations 75



Totals $645



Afterall bills for the party were paid, the total came to $660. Details are: $140 for room rental; $320 forfood; $125 for entertainment; and $75 for decorations. Fifty persons attended the party.



Whatis the variance in hotel room rental?





A、$30 unfavorable is the hotel room rental variance.
B、$35 favorable is the hotel room rental variance.
C、$30 favorable is the hotel room rental variance.
D、$70 unfavorable is the hotel room rental variance.

参考答案