Final answer:
The dollar value of GDP is calculated by adding up all the final goods and services produced within a country's borders. It includes consumption spending, government purchases, business investment, and exports, while subtracting imports.
Step-by-step explanation:
The dollar value of GDP is calculated by adding up all the final goods and services produced within a country's borders. It includes consumption spending, government purchases, business investment, and exports, while subtracting imports. In the given example, the dollar value of GDP can be calculated as follows:
GDP = Consumption spending + Business investment + Government purchases + Exports - Imports
GDP = $2,000 billion + $50 billion + $1,000 billion + $20 billion - $40 billion = $3,030 billion