Alumni Manufacturing Company has the following information pertaining to a normal monthly activity of 10,000 units: Standard factory overhead rates are based on a normal monthly volume of one standard direct hour per unit. Standard factory overhead rates per direct labor hour are: Fixed $ 6.00 Variable 10.00 $16.00 Units actually produced in current month 9,000 units Actual factory overhead costs incurred (includes $70,000 fixed) $156,000 Actual direct labor hours 9,000 hours What is the fixed overhead spending variance for Alumni? a.$0 b.$6,000 (U) c.$10,000 (U) d.$4,000 (F)