[بنت ناس وقلبي ألماس]

وعليكم السلام ورحمة الله وبركاته ،،

1) Definition:

Supply:the amount of a product producers are willing to sell at a certain price

Demand:the consumer’s desire to pay a price for a certain product or service

2) Law:

Supply: when the price is high then the quantity supplied is increase

Demand:if all other factors are constant, when the price of goods are high then the amount of demand will decrease

3) curve:

supply:A basic supply curve is upward slope

Demand:A basic demand curve is downward slope