XYZ Company reported the following cost information: June Cost A Cost B Cost c Units sold $16,380 $55,440 $37,380 42,000 units July $21,560 $89,080 $37,380 68,000 units Which of the above costs would be classified as a mixed cost? O Cost A O Cost B O Costc Both Cost A and Cost B are mixed costs all of the above costs are mixed costs none of the above costs are mixed costs