题目内容：
【单选题】The Delta Delta Delta Sorority held ahomecoming party. The sorority preparedthe following budget for 50 expected attendees:
Roomrental $150
Food 290
Entertainment 150
Decorations 75
Totals $665
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 food?
A、$30 unfavorable is the food variance.
B、$35 favorable is the food variance.
C、$10 favorable is the food variance.
D、$70 unfavorable is the food variance.
参考答案：