which one of the following statements is correct? a. at e0, the economy is in short-run macroeconomic equilibrium and has a recessionary gap of y1-yp. b. at e1, the economy is in long-run macroeconomic equilibrium and has an inflationary gap of y1-yp. c. at e2, the economy is in short-run macroeconomic equilibrium and has a recessionary gap of y2-yp. d. none of the above is correct.