Answer
Demand is the desire of a buyer and his ability to pay for a particular commodity at a specific price. Supply is the quantity of a commodity which is made available by the producers to its consumers at a certain price. When demand increases supply decreases, i.e. inverse relationship.
Explanation: Examples of the Supply and Demand Concept
Supply refers to the amount of goods that are available. Demand refers to how many people want those goods. When supply of a product goes up, the price of a product goes down and demand for the product can rise because it costs loss. ... As a result, prices will rise.