demand which is demand which is depend on the purchase of the
final product,its called derived demand.eg:purchase of thed fuel
for the car.i.e car is the main or final product and fuel is
derived product.raw material for the production of the fimal
product.or machinary. autonomous demand is independent of the other
product or main product.its not linked or tie-up with the other
goods or commodity.eg: food artical,cloths. vijay mahajan