Now consider the following information for the U.S.: During 2014, consumption expenditures increased by $20.5 billion, gross private domestic investment declined by $8.8 billion, and government expenditures increased by $14.4 billion. In addition, the country experienced a trade deficit of $3.2 billion. Did the U.S.'s GDP increase or decrease during this year? By how much? Show all work and fully explain your reasoning.