Dapice Incorporated makes a single product--a critical part used in commercial airline seats. The company has a standard cost system in which it applies overhead to this product based on the standard labor-hours allowed for the actual output of the period. Data concerning the most recent year appear below:

Budgeted fixed manufacturing overhead	$	76,815
Budgeted hours		13,500	labor-hours
Standard hours allowed for the actual production		14,400	labor-hours

The fixed overhead volume variance is:

a) 5121U

b) 5121F

c) 21,121F

d) 21,121U