GA Wind Farm in Iowa Buys a Large Turbine Generator

GA wind farm in Iowa buys a large turbine generator from a Swedish-owned factory located in Connecticut that uses workers who live in Connecticut.As a result,

A) U.S.investment,GDP,and GNP all increase by the same amount.
B) U.S.investment increases,but GDP and GNP are unaffected by the purchase.
C) U.S.investment and GDP increase by the same amount,but U.S.GNP increases by a smaller amount.
D) U.S.investment and GNP increase by the same amount,but U.S.GDP increases by a smaller amount.