Solve clearly

Suppose that the relative supply of domestic products decreases while the relative demand does not change. a. What will happen to the real exchange rate? Explain using a figure. b. What will happen to the demand of real money balances in the domestic economy? Explain using a proper equation. c. What will happen to the average domestic price level? Explain using a proper equation. (Assume that there is no change in money supply.) d. What will happen to the nominal exchange rate? Explain using a proper equation