consider the components of the national savings and investment identity, categorized below. each scenario will affect one component of the identity. classify each scenario according to the component it will affect. a worker's contribution to a retirement fund is a farmer buying a new tractor is a decrease in automobile exports is a domestic company building a factory is the government building a bridge affects mitchell quitting his job to go back to school affects an increase in french wine imports is an inflow of foreign capital. a family cutting down on expenses affects private domestic savings.