Assume that a company provided the following cost formulas for three of its expenses (where q refers to the number of hours worked): Rent (fixed) Supplies (variable) Utilities (mixed) $ 3,000 $ 4.009 $150 $0.75g The company's planned level of activity was 2,000 hours and its actual level of activity was 1,900 hours. The actual amount of utilities expense for the period was $1,700. What is the spending variance for utilities expense? Multiple Choice $125 U $125 F $50 F $50 U