Ito ang formula ng GDP ---> GDP = C + I + G + (X - M)
C --> stands for Consumption = personal consumption expenditures, typically broken down into the following categories: durable goods, non-durable goods, and services.
I --> Investment = is the gross investment, generally broken down into fixed investment and changes in business inventories
G --> this includes government spending on items that are "consumed" in the current period
M --> stands for nation's imports
X ---> stands for exports
