4. Two tables below show the purchases of an average consumer in a small economy. Assume that these consumers purchase only drinks and foods and suppose that 2017 is the base year.
Items |
Quantity (2017) |
Price (2017) |
Drinks |
25 |
MYR 2.35 |
Foods |
15 |
MYR 7.50 |
Items |
Quantity (2018) |
Price (2018) |
Drinks |
25 |
MYR 2.50 |
Foods |
15 |
MYR 7.75 |
a. Determine the cost of the market basket in 2017 and 2018.
58.75+112.50
=RM171.25
62.50 + 116.25
=RM178.75
b. Determine the consumer price index (CPI) in 2017 and in 2018.
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c. Determine the inflation rate between 2017 and 2018.
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a)
Cost of market basket in 2017=2.35*25+7.50*15=MYR 171.25
Cost of market basket in 2018=2.50*25+7.75*15=MYR 178.75
b)
CPI in 2017=(Cost of market basket in 2017/Cost of market basket in base year)*100
CPI in 2017=(171.25/171.25)*100=100.00
CPI in 2018=(Cost of market basket in 2018/Cost of market basket in base year)*100
CPI in 2017=(178.75/171.25)*100=104.38
c)
Inflation rate between 2017 and 2018=(CPI in 2018-CPI in 2017)/CPI in 2017
Inflation rate between 2017 and 2018=(104.38-100)/100 =4.38%
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