Question:

b. Which two numbers for each good at the website provide information about the impact of income on quantity demanded (cite these numbers and the income levels used)

Note: the columns show the expenditure by "quintile" that is the bottom 20% up to the top 20%. The "mean" for each good or service tells you how much that quintile spends on the good or service.

Table 1101. Quintiles of income before taxes: Annual expenditure means, shares, standard errors, and coefficients of variation, Consumer Expenditure Survey, 2019 Item All consumer units Lowest 20 percent Second 20 percent Third 20 percent Fourth 20 percent Highest 20 percent Number of consumer units (in thousands) Lower limit 132,242 n.a. 26,367 n.a. 26,387 $22,488 26,578 $43,432 26,375 $72,234 26,536 $120,729 Consumer unit characteristics: Income before taxes Mean SE CV(%). $82,852 1,973.48 2.38 $12,029 209.28 1.74 $32,768 230.34 .70 $56,773 316.39 .56 $93,390 452.60 .48 $218,670 7,376.44 3.37 Income after taxes Mean SE CV(%). 71,487 1,312.27 12,236 237.32 1.94 32,945 256.59 .78 53,123 392.34 .74 83,864 462.54 .55 174,777 4,635.11 2.65 1.84 Age of reference person. 51.6 56.5 54.9 49.4 47.7 49.2 Average number in consumer unit: People Children under 18 Adults 65 and older Earners..... Vehicles. 2.5 .6 4 1.3 1.9 1.6 .3 .5 .4 1.0 2.2 .5 .6 2.5 .6 .4 1.3 1.9 2.8 .7 .3 1.8 2.3 3.2 .8 2.1 bi 1.6 Table 1101. Quintiles of income before taxes: Annual expenditure means, shares, standard errors, and coefficients of variation, Consumer Expenditure Survey, 2019 Item All consumer units Lowest 20 percent Second 20 percent Third 20 percent Fourth 20 percent Highest 20 percent Number of consumer units (in thousands) Lower limit 132,242 n.a. 26,367 n.a. 26,387 $22,488 26,578 $43,432 26,375 $72,234 26,536 $120,729 Consumer unit characteristics: Income before taxes Mean SE CV(%). $82,852 1,973.48 2.38 $12,029 209.28 1.74 $32,768 230.34 .70 $56,773 316.39 .56 $93,390 452.60 .48 $218,670 7,376.44 3.37 Income after taxes Mean SE CV(%). 71,487 1,312.27 12,236 237.32 1.94 32,945 256.59 .78 53,123 392.34 .74 83,864 462.54 .55 174,777 4,635.11 2.65 1.84 Age of reference person. 51.6 56.5 54.9 49.4 47.7 49.2 Average number in consumer unit: People Children under 18 Adults 65 and older Earners..... Vehicles. 2.5 .6 4 1.3 1.9 1.6 .3 .5 .4 1.0 2.2 .5 .6 2.5 .6 .4 1.3 1.9 2.8 .7 .3 1.8 2.3 3.2 .8 2.1 bi 1.6