The following is monthly budgted cost and activity information for two activities in the purchasing dpartment of X Company:

Activity	Variable Costs	Fixed Costs	Cost Driver
Supplier rlations	$7,820	$16,600	340 supplirs
Invoicing	$8,760	$28,200	730 invoices

In Novmber, actual costs and activity were as follows:

Activity	Total Costs	Driver Amount
Supplier rlations	$25,079	361 suppliers
Invoicing	$36,555	767 invoices

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

A: $-27,795

B: $-27,351

C: $-8,355

D: $0

E: $405

F: $849