The Chicago Ravens play in the American Ice Hockey League.

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The budgeted and actual average attendance figures per game in the season are as follows:

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There was no difference between the budgeted and actual contribution margin

for lower$-$tier or upper$-$tier seats. The manager of the Ravens was delighted that actual

attendance was $20\%$ above budgeted attendance per game, especially given the

depressed state of the local economy in the past six months.

of contribution margins.$)$ Label each variance as favourable $($F$)$ or unfavourable $($U$).($Enter all variances as positive numbers. Abbreviation used: qty $=$ quantity.$)$