There is/are no supply curve(s) possible when a downward sloping demand line exists because there is no price(s) where a monopoly firm will supply a given quantity.
The supply curve in economics is a graph of the relationship between the price of a product and the quantity of product that the seller is willing to supply. Product prices are measured on the vertical axis of the chart, and product quantities are shipped on the horizontal axis.
In most cases, the supply curve is a gradient that increases from left to right because the price of the product is directly related to the supply (that is, the supply increases as the price of the product rises in the market). It is drawn as. This relationship is affected by certain Ketteris Palibus conditions (other conditions are equal) that remain constant.
Learn more about Supply Curve here: https://brainly.com/question/14297698
#SPJ4