Correct Answer:
Option B - If we sum the gross value added of all the firms of the economy in a year, we get a measure of the value of aggregate amount of goods and services produced by the economy in a year. Such an estimate is called Gross domestic product
B. If we sum the gross value added of all the firms of the economy in a year, we get a measure of the value of aggregate amount of goods and services produced by the economy in a year. Such an estimate is called Gross domestic product