Jazz Digital Private Ltd. manufactures a product that uses a material with the quantity standard of 9.5 grams per unit of output and the price standard of Rs. 4.50 per gram. In May the company produced 2,900 units using 26,940 grams of the direct material. During the month the company purchased 28,900 grams of the direct material at Rs. 4.90 per gram. The direct materials purchases variance is computed when the materials are purchased.

Calculate materials quantity variance in the month of May: