Modern Sports, Inc. manufactures sporting equipment. One of the company's products, a football helmet for the North American market, requires a special plastic. During the quarter ending June 30, the company manufactured 35,000 helmets, using 22,500 kilograms of plastic. The plastic cost the company $171,000. According to the standard cost card, each helmet should require 0.6 kilograms of plastic, at a cost of $8 per kilogram. Required: What is the materials price variance for the quarter?