3. (30 points) According to the Solow growth theory that we have studied, how would each of the following events affect per capita consumption in the long-run (i.e., after return to the steady state). Illustrate graphically and explain. a. A terrorist attack destroys a portion of the nation's capital stock. b. A decrease in the birth rate leads to a permanent decrease in the nation's rate of population growth. c. A discovery of massive new oil reserves leads to a permanent decrease in energy prices