Fixed manufacturing overhead was budgeted at P500,000 and 25,000 direct labor hours were budgeted. If the fixed overhead was applied based on total standard direct labor hours of 25,600 and the fixed overhead spending variance was P16,000 unfavorable, fixed manufacturing overhead volume variance must be

a. P12,000 U

b. P12,000 F

c. P28,000 U

d. P28,000 F