The concept of national income

National income is defined.............

   As the sum of the entry of the community has achieved both of these incomes in the country or abroad during the period of time, usually years

Methods of measuring national income
 
There are ways to measure national income..............

And then either to limit members of the community, whether individuals or government projects, natural
  

 Capita income of normal: it is the total cash received by the individual elements of ownership compared to production during a specific time period

Income of the project: It is the total cash received by the project during a certain period of time without harm to its financial position

Government income: It is a total cash received by the government can dispose of them without hurting its financial position