Synergy Inc. produces plastic grocery bags. Synergy has developed a static budget for the month of July based on 10,000 direct labor hours. During the quarter, the actual activity was 12,000 direct labor hours. Data for July are summarized as follows: Direct materials cost Power Salary of plant supervisor Static budget 10.000 hours) $ 86,000 30,000 7,000 $123,000 Actual costs (12.000 hours) $108,000 37,000 7.000 $152,000 What is the flexible budget variance for July? a. $5,800 U b. $9,000 U C. $29,000 F d. $12,000 F e. None of these choices are correct