following is TRUE? I. U.S. net exports decrease. II. U.S. investment increases. Select one: a. only II b. both I and II c. neither I nor II d. only I The figure above shows the U.S. production function. From 1986 to 2008 the United 9 ates expersicn major advances in technology as well as an increase in the working age populatien. The corrines e? can best be shown by a Select one: a. movement from point W to point Z. b. movement from point W to point X. c. movement from point Y to point X. d. movement from point Y to point Z..