Please show all calculations to do this problem.
The following information is available for the Gabriel Products Company for the month of July:
Variable manufacturing costs_______________________$15,000__________$16,320
Fixed manufacturing costs_________________________$18,000__________$17,000
Variable marketing and administrative expense_________$10,000__________$10,500
Fixed marketing and administrative expense___________$12,000__________$11,000
The total sales-volume variance for the month of July would be..?
Answer was $700 favorable