Answer
d. The federal government sends a Social Security check to your grandmother
Work Step by Step
In (a) Air France buys an aeroplane produced in the US which accounts for in GDP as consumption
In (b) General motor builds a new auto factory in North Carolina which is accounted for in GDP as Investment
In (c) The City of New York pays a salary to a policeman for the services rendered by him to the government which is accounted for in the government spending
In (d) The transfer payment made by the federal government to your grandmother is not in exchange for a good or service rendered by your grandmother in the current year. Hence it is not accounted for in the GDP.
