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QUESTION 19 If national income increases by $80 million and consumption increases by $20 million, the marginal propensity to consume is: Not yet answered Marked out of 1.00 ' Select one: V Flag question \\_/ a_ 0.75- 0 b. 0.15. c. 0.25. K \\ d. 5. f \\ QUESTION 20 Suppose the economy is at a short-run equilibrium GDP that lies above potential GDP. Which of the following will occur because of the automatic Not yet answered mechanism adjusting the economy back to potential GDP? Marked out of 1.00 Flag question Select one: O a. output will increase O b. long-run aggregate supply will shift to the left O c. short-run aggregate supply will shift to the left O d. prices will decline