A firm uses machine hours to allocate fixed overhead. During the period, budgeted fixed overhead is Rs. 30000. The budgeted machine hours is 100 hours for budgeted volume of 1000 units. The firm produced 1200 units consuming 150 hours and spent Rs. 28000 towards fixed overhead. The fixed overhead spending variance is

A. Rs. 17000 favorable

B. Rs. 17000 adverse

C. Rs. 2000 favorable

D. Rs. 8000 favorable