19. The standard costs and actual costs for factory overhead for the manufacture of 3,000 units of actual production are as follows: Standard Costs Fixed overhead (based on 10,000 hours) 3 hours per unit @ $0.76 per hour Variable overhead 3 hours per unit @ $1.94 per hour Actual Costs Total variable cost, $17,800 Total fixed cost, $8,100 The amount of the fixed factory overhead volume variance is a.$760 unfavorableb.$0c.$608 unfavorabled.$608 favorable