Spears Manufacturing Company produces beach chairs. Chair frames are all the same size, but can be made from plastic, wood, or aluminum. Regardless of frame choice, the same sailcloth is used for the seat on all chairs. Spears has set a standard for sailcloth of $9.90 per square yard and each chair requires 1 square yard of material. Spears produced 500 plastic chairs, 100 wooden chairs, and 250 aluminum chairs during June. The total cost for 1,000 square yards of sailcloth during the month was $10,000. At the end of the month, 50 square yards of sailcloth remained in inventory. Refer to Spears Manufacturing Company. Assuming that there was no sailcloth in inventory at the beginning of June, the unfavorable material quantity variance for the month was?