-Use the framework with "Macroeconomic Aggregate Demand", "Long-Run"   
& "Short Run" Aggregate Supply along with the framework + Labour   
market, to discuss the adjustment process of the economy and the final   
effect on Y,P,L,W divide P in case that:     
                     
  
.I increase      (I=investments).   
   
Until 900 words and make and the diagrams. 
 
(Y=Production, P=Price, L=Employnment  W=Wager, P=Price)