Y = 400 + 5 ( -), the full-employment level of output is 7* = 800 and the sensitivity of real output to the price surprise a = 40. (a) Suppose during many years the nominal money supply M was unchanged and equal to 2000 and was expected to stay unchanged forever. Calculate (i the actual price level P; (ii) the expected price level pe; (ili) the level of actual real output Y