55 oints Planned aggregate expenditure (PAE, billions of $) 1,000 PAE - Y 900 PAE 2 800 700 PAE , 600 500 400 300 200 100 0 100 300 300 400 500 800 900 1000 Actual aggregate expenditure (output or GDP, billions of $) Instructions: In part a, round your answer to the nearest whole number, In p a. The expenditure multiplier in this economy is: 5 b. The marginal propensity to consume in this economy is: 0.6 Mc Graw