Rhodes Corporation manufactures a product with the following standard costs:

Fixed factory overhead 4 hours @ $9.00 per hour The following information pertains to the month of July: Actual factory overhead 16,850 Actual production in July: 460 units Actual labor hours 1,880 a. Compute the following variances for the month of July, indicating whether each variance is favorable or unfavorable:

(1) factory overhead flexible-budget variance

(2) factory overhead production-volume variance