The following is monthly budgeted cost and activity information for two activities in the purchasing department of X Company: Activity Supplier relations Invoicing Variable Costs $9,180 $10,560 Fixed Costs $16,300 $22,300 Cost Driver 340 suppliers 880 invoices In November, actual costs and activity were as follows: Activity Supplier relations Invoicing Total Costs $24,519 $32,343 Driver Amount 283 suppliers 853 invoices What was the flexible budget variance for the supplier relations activity for November (assume that favorable variances are positive numbers and unfavorable variances are negative numbers)