Gross Domestic Product Serves as a Measure of Two Things

Gross domestic product serves as a measure of two things:

A) the total spending of everyone in the economy and the total saving of everyone in the economy.
B) the total income of everyone in the economy and the total expenditure on the nation's output of goods and services.
C) the value of the nation's output of goods and services for domestic citizens and the value of the nation's output of goods and services for the rest of the world.
D) the nation's saving and the nation's investment.