Please answer correct please asap please

Don't answer by pen paper plz

The following events occurred in the recent past in Canada: 1' The world economy goes into an expansion. in Canadian businesses expect future profits to rise. 1' The government increases its expenditure on goods and services in a time of increased international tension. a. Explain for each event whether it changes shortrun aggregate supply, longrun aggregate supply, aggregate demand, or some combination of them. b. Explain the separate effects of each event on Canadian real GDP and the price level, starting from a position of longrun equilibrium. c. Explain the combined effects ofthese events on Canadian real GDP and the price level. starting from a position of longrun equilibrium