Fill in the blank spaces by typing in the correct term for each of the following statements. Hint (Statistics, Circular flow, Expenditure, National income, Households).
A]   is the flow of money in an economy to and from the various sectors of an economy.

B]   The total value of all goods and services produced in a given country over a given period of time is known as  .

C]  _supply factor services to the firms who in turn use them to produce goods and services.

D] National income   refers to all the data collected or computed from the various sources that give information.

E] The  approach involves summing up all the expenses on goods and services by consumers, government and the purchase of capital goods by firms.