Cox Company's direct material costs for the month of January were as follows: Actual unit purchase price $3.60 per kilogram $3,600 Direct materials price variance Favorable Standard quantity allowed for actual production 16,000 kilograms Actual quantity used 18,000 kilograms What is the direct materials quantity variance for January? Select one: O $6,800 U X O none of these O $6,800 F O $7,600 F O $7,600 U