Mohan sells all home-related and food items on his shops. he sells jeera biscuits at ₹ 50 per packet, sweet biscuit at ₹ 60 / packet,  plain biscuit at ₹ 70 / packet and cake biscuit at ₹ 100 / packet. if he sells 150 packets of sweet biscuit, 170 packet plain biscuit, 160 packet cake biscuit and 200 packets jeera biscuit in July in the month of august sells quantity increases 10% on each product. In the month of September sells quantity increases by 20% from July. and in October, 30 % sell quantity increases.