Assume that a company provided the following cost formulas for three of its expenses (where a refers to the number of hours workedy $3,000 Rent (fixed) Supplies (variable) Utilities (mixed) $4.009 $215 + $0.756 The company's planned level of activity was 2.000 hours and its actual level of activity was 1,900 hours. How much utilities expense would be included in the planning budget? Multiple Choice O $1,640 $1,740 o o o $1,500 $1.715