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1-Economy is an expression of financial conditions and commercial activities and a termfor all activities that consist of money.
2-Trade is the exchange of goods for money and profit from those goods by buying them in bulk at a somewhat cheap price and selling them at a more expensive price.
3-Useful value,which means the ability of an object to satisfy a human need directly when a person uses it and does not necessarily assume that there is a market or an exchange of individuals among them, it is a purely personal value.
4-The price is that everything that is exchanged for something else has a cash amount that expresses its value. This amount which expresses the value of a single unit of thing is called the price, and therefore the price of the thing is the monetary expression of its value in the market, and this price can be greater or less than its value.
5-Demand is the quantities of a good or service that consumers are willing and able to purchase at different prices during a limited period of time, assuming that other factors remain constant.

Economy and investment

6-.The supply of goods means the supply of quantities of a commodity that producers are willing to sell at different prices for them in a specific period of time, assuming that other factors remain constant.
7-The consumer surplus is the difference between the total benefit that the consumer gets through his consumption of a good and the value he pays to obtain this commodity.
8- Human needs are the set of natural and social necessities (such as food, housing and clothing) necessary for the material and non-material life of a person in society.
9-The benefit is achieving a certain satisfaction with the consumer and it is not a physical thing nor an attribute inherent in the commodity and it is a special feeling in a person and it differs from person to person.
10- Real estate investment is the purchase of a real estate at a low price and waiting for that real estate until prices are high, then the real estate is sold at the high price, so money is invested in this real estate.

Economy and investment



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