I only need help understanding with question 8 and 9. Only where 8 starts and onward.

Explain both sho will the amount of labor employed (by employers that use long-term contracts) increase or decreases th short run and long run effects. d. Will output in the short run increase, decrease, or remain the same? Explain. Explain. . Will output in the long run increase, decrease, remain the same, or return to its previous level? f. Will the price level in the long run return to its previous level? If not, will it increase, decrease, or stay the same? Explain. 9. Complete the following table by indicating whether the initial effect of each change described in A through K affects AD, ASsr, and/or ASIr outward/upward (+), inward/downward (-) or has no effect and leaves it unchanged (0). (Ignore any effects that might follow from the initial effect described in A through K.) changes AD A: increase in desired investment changes ASsr changes ASIr B: increase in taxes that reduces disposable income C: increase in government spending D: decrease in desired saving E: increase in demand for US goods by foreigners F: decrease in demand for foreign goods by US citizens G: increase in labor force participation rate H: decrease in the customary retirement age I: technological innovation that makes labor more productive J: increase in expected rate of inflation K: fall in foreign exchange value of dollar Using these predicted initial effects, indicate the ceteris paribus predicted effects on the price level, P; real output, y; and potential real output, y*. (Hint: "All else equal, there would be (upward (+), down- ward (-) or no pressure (0) on the price level, P." "All else equal, I predict that real output, y, would increase (+), decrease (-) or be unaffected (0).""All else equal, I predict that potential real output, y" would increase (+), decrease (-) or be unaffected (-).")J. Households suddenly become thriftier and want to save 10% more at every level of disposable income. Recalculate consumption and the MPC in above table and fill in the following: disposable income consumption marginal propensity to consume $7,000 $8,000 $9,000 $10,000 $11,000 $12,000 $13,000 k. Graph the relationship between consumption and income in this table. 1. Derive the new investment multiplier. m. How much does aggregate demand change if investment increases from $400 to $800? Show your calculations. 8. Imagine that a positive aggregate demand shock occurs in the economy. Assume that wages are sticky in the short run. a. Will the price level increase or decrease? Explain both short run and long run effects. b. Will real wages (for those workers with sticky nominal wages) increase or decrease? Explain both short run and long run effects