Suppose the consumption function is c = $800 billion + 0.9y and the government wants to stimulate the economy. by how much will aggregate demand at current prices shift initially (before multiplier effects) with instructions: enter your responses rounded to the nearest whole number. a. a $60 billion increase in government purchases? $ 60 billion b. a $60 billion tax cut? $ billion c. a $60 billion increase in income transfers? $ billion what will the cumulative ad shift be for d. the increased government spending? $ billion