In 2020 and in 2021, consumers in Dexter consumed only books and pens. The prices and quantities for 2020 and 2021 are listed in the table. The reference base period for Dexter's CPI is 2020, and 2020 is also the year of the Consumer Expenditure Survey. Calculate the inflation rate in 2021. The inflation rate in 2021 is OA. 121.7 OB. 73.0 OC. 21.7 OD. 4.6 percent. ... D Item Books Pens 2020 Price Quantity $5 7 $5 5 2021 Price Quantity $4 10 $9 8

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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In 2020 and in 2021, consumers in Dexter consumed only books and pens.
The prices and quantities for 2020 and 2021 are listed in the table.
The reference base period for Dexter's CPI is 2020, and 2020 is also the year of the Consumer
Expenditure Survey.
Calculate the inflation rate in 2021.
The inflation rate in 2021 is
A. 121.7
B. 73.0
C. 21.7
D. 4.6
percent.
ID
Item
Books
Pens
2020
2021
Price Quantity Price Quantity
10
$5
7
$4
$5
5
8
$9
Transcribed Image Text:In 2020 and in 2021, consumers in Dexter consumed only books and pens. The prices and quantities for 2020 and 2021 are listed in the table. The reference base period for Dexter's CPI is 2020, and 2020 is also the year of the Consumer Expenditure Survey. Calculate the inflation rate in 2021. The inflation rate in 2021 is A. 121.7 B. 73.0 C. 21.7 D. 4.6 percent. ID Item Books Pens 2020 2021 Price Quantity Price Quantity 10 $5 7 $4 $5 5 8 $9
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