The Omega Sorority Held a Homecoming Party After All Bills for the Party Were Paid, the Total

The Omega Sorority held a Homecoming party.The sorority prepared the following budget for 25 expected attendees: $\begin{array}{lr}\text { Room rental } & \$ 170 \\\text { Food } & 250 \\\text { Entertainment } & 150 \\\text { Decorations } & \mathbf{7 5} \\& \\\text { Totals } & \$ 645\end{array}$ After all bills for the party were paid, the total came to $660.Details are: $140 for room rental; $320 for food; $125 for entertainment; and $75 for decorations.Twenty-five persons attended the party. What is 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.