CCC hospital budged and actual expenses and patient volume fo 2011 are:

2011 static budget:

expenses $500,000

patient volume 50,000

2011 actual results

expenses $650,000

patient volume 60,000

Assuming all expenses are variable, the portion of the total variance that cannot be explained by the difference in patient volume is------

$50,000 unfavorable

$50,000 favorable

$100, 000 unfavorable

$100,000 favorable

$150,000 unfavorable