Nove industries uses a standand costing system to apply manufacturing costs to its production process in May, Nova anticipated producing 2.600 units with fred matching overhead costs alocated at 57.20 per deter hout with a standard of 3.5 direct labor hours per unit. In May, actual production was 3,400 units and actual fixed manufacturing overhead costs were $15,000 What was Nova's fixed manufacturing overhead volume variance in May A $50.520 favorable O $20,160 favorable OC 120/160 unfavorable CD $50,500 unavorable