Assume that a company provided the following cost formulas for three of its expenses (where q refers to the number of ho worked): Rent (fixed) Supplies (variable) Utilities (mixed) $ 3,000 $ 4.309 $ 150 + $ 0.759 The company's planned level of activity was 2,000 hours and its actual level of activity was 1,850 hours. How much supp expense would be included in the flexible budget