The supply function of a manufacturer is 3q/100+ 60, where p is the price per unit (in rupees) and q is the number of units supplied. The demand per day for this product is 100 units when the price is Rs. 71 per unit, and 200 units when the price is Rs. 66 per unit. A tax of Rs. 4 per unit is imposed on the manufacturer. Find the decrease in the equilibrium quantity as a result of the tax. Answer:
