Moncrief Corporation bases its budgets on machine-hours. The company's static planning budget for Jutly appears below Budgeted number of machine-hours 1,000 Supplies $8.60 per machine-hour) Power (e $8.80 per machine-hour) Salaries Equipment depreciation Total 8,600 8,800 11,300 9,900 $38,600 Actual results for the month were: Actual number of machine-hours Supplies Power Salaries Equipment depreciation 1,200 $10,290 $10,860 $11,690 $ 9,990 The spending variance for supplies costs in the flexible budget performance report for the month should be