he following is monthly budgeted cost and activity information for two activities in the purchasing department of X Company:

Activity	Variable Costs	Fixed Costs	Cost Driver
Supplier relations	$6,500	$16,000	260 suppliers
Invoicing	$10,790	$21,500	830 invoices

In November, actual costs and activity were as follows:

Activity	Total Costs	Driver Amount
Supplier relations	$22,187	253 suppliers
Invoicing	$32,194	784 invoices

What was the flexible budget variance for the invoicing activity for November (assume that favorable variances are positive numbers and unfavorable variances are negative numbers)?