Assume that a company provided the following cost formulas for three of its expenses (where grefers to the number of hours worked Rent (fixed) Supplies (variable) $ 3,000 $4.00 Utilities (mixed) $150 $0.75g The company's planned level of activity was 2,000 hours and its ectual level of activity was 1,900 hours. The actual amount of utilities expense for the period was $1,700. What is the spending verience for utilities expense? Multiple Choice $50 J $50 $125 F $125 U