Hairston Corporation manufactures and sells a single product. The company uses units as the measure of activity in Its budgets and performance reports. During November, the company budgeted for 7, 700 units, but its actual level of activity was 7, 720 units. The company has provided the following data concerning the formulas used in its budgeting and its actual results for November: Data used in budgeting: Actual results for November. The spending variance for direct materials In November would be closest to: $40 U $370 U $40 F $370 F