when the nation of duxembourg allows trade and becomes an importer of software, a. residents of duxembourg who produce software become worse off; residents of duxembourg who buy software become better off; and the economic well-being of duxembourg falls. b. residents of duxembourg who produce software become worse off; residents of duxembourg who buy software become better off; and the economic well-being of duxembourg rises. c. residents of duxembourg who produce software become better off; residents of duxembourg who buy software become worse off; and the economic well-being of duxembourg falls. d. residents of duxembourg who produce software become better off; residents of duxembourg who buy software become worse off; and the economic well-being of duxembourg rises.