The following data is available regarding X Company' utility cost in 2017:

Estimated production	3,100 units
Budgeted fixed costs	$11,000
Budgeted total variable costs	$21,049
Actual production	2,500 units
Actual total costs	$23,338

What was the flexible budget variance for total utility costs in 2017 (assume that a positive number means a favorable variance and a negative number means an unfavorable variance)?