In May 2012, firm was supplying 1000 kg of sugar at market price of Rs. 60/- per kg. During June 2012, firm's supply of sugar had decreased to 900 kg at price Rs. 40/- per kg. These changes show that supply of sugar is
A schedule of the amount of a good that would be offered for sale at all possible prices, at any one instant of time or during any period of time are called