Hutcho, is the answer B.
Real terms - is used to remove any inflation from the previous period. This is used to indicate the level of production that has actually been made in a country.
JDog.
a) As export increase, this can cause inflation in our domestic country as the products supplied to our country will decrease, as it is sold overseas. This will therefore mean, as supplies decrease, relative scarcity comes into play.
b) Investment, in its initial stages will cause a rise in inflation however in the long term will not. This is because, as investments are made, they do not increase productivity however come at a cost to the firm. To tackle this, inflations may rise to subsidize the initial costing of investments.