1.For each of the following changes, other things equal, has the value of the country's current account balance increased (become more positive or less negative), decreased, or stayed the same?Briefly justify your answer.

a.Total trade rises but net exports remain the same.Exports of goods and services increase by $10 billion and imports of goods and services increase by $10 billion

b.The price of oil falls from $100/barrel in 2014 to $50/barrel in 2015 for a country whose oil export volume (# of barrels) remains the same.Oil was 95% of this country's exports in 2014.