The Country of Aquilonia Does Not Trade with Any Other

Multiple Choice

The country of Aquilonia does not trade with any other country. Its GDP is $30 billion. Its government purchases $5 billion worth of goods and services each year, collects $7 billion in taxes, and provides $3 billion in transfer payments to households. Private saving in Aquilonia is $5 billion. What is consumption?

A) $10 billion
B) $13 billion
C) $18 billion
D) $21 billion