Haroon went to a fruit shop. He bought one and a half dozen bananas at the rate of Rs. 2.50 per banana, three and a half kilogram apples at Rs. 57.60 per kg, one and a half kg of mangoes at Rs. 75.40 per kg and 750 grams of grapes at Rs. 120 per kg. If he gave a note of Rs. 500 to the fruit seller, he will get back∶