The following labor standards have been established for a particular product:

Standard labor-hours per unit of output	9.7	hours
Standard labor rate	$13.50	per hour

The following data pertain to operations concerning the product for the last month:

Actual hours worked	7,500	hours
Actual total labor cost	$98,250
Actual output	900	units

What is the labor efficiency variance for the month?

$16,113 F

$16,605 F

$19,605 U

$19,605 F