Assume the following accounts and amounts were reported by a nation last year: Government purchases of goods and services were $6.1 billion; personal consumption expenditures were $41.2 billion; gross private domestic investment amounted to $20 billion; personal savings were estimated at $2 billion; imports of goods and services amounted to $6.4 billion; and the exports of goods and services were $4 billion. (a) * Your answer is incorrect. Determine the nation's gross domestic product. (Enter amount in billion. Round answer to 1 decimal place, e.g. 527.5.) Gross domestic product (GDP) $ 66.9 billion eTextbook and Media Save for Later Attempts: 1 of 2 used Submit Answer (b) Determine the nation's gross domestic product, if the dollar amounts of imports and exports are reversed? (Enter amount in billion. Round answer to 1 decimal place, e.g. 527.5.) Gross domestic product (GDP) $ billion eTextbook and Media Save for Later Attempts: 0 of 2 used Submit