Q5 Quick Co. was analyzing variances for one of its operations. The initial budget forecast production of 20,000 units during the year with a variable manufacturing overhead rate of $10 per unit. Quick produced 19,000 units during the year. Actual variable manufacturing costs were $210,000. What amount would be Quick's flexible budget variance for the year? A. $10,000 favorable B. $10,000 unfavorable C. $20,000 unfavorable D. $20,000 favorable