The table below contains data on per-person income and per-person consumption in the United States for several years.

a. Draw the consumption function for the United States for these years.

b. What is savings at each level of income?

c. Between 2018 and 2021, how much did income rise? What about consumption? What was the marginal propensity to consume out of the increase?

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Year 2016 2017 2018 2019 2020 2021 Real income per person (in 2012 dollars) $54,500 $55,300 $56,600 $57,600 $55,400 $58,500 Real consumption per person (in 2012 dollars) $37,500 $38,200 $39,100 $39,700 $38,100 $41,000