UpStudy Free Solution:
To compare the salaries in base period dollars, we need to adjust them for inflation using the Consumer Price Index (CPI). Here's how you can calculate it:
1. Convert Bryant's 1958 salary to base period dollars (2007 dollars):
\[\text { Bryant' s salary in 2007 dollars} = \left ( \frac { \text { CPI in 2007} } { \text { CPI in 1958} } \right ) \times \text { Bryant' s 1958 salary} \]
\[\text { Bryant' s salary in 2007 dollars} = \left ( \frac { 207.3} { 28.9} \right ) \times 142,998\]
\[\text { Bryant' s salary in 2007 dollars} \approx 10.81 \times 142,998\]
\[\text { Bryant' s salary in 2007 dollars} \approx 1,545,775.38\]
2. Convert Saban's 2007 salary to base period dollars (1958 dollars):
\[\text { Saban' s salary in 1958 dollars} = \left ( \frac { \text { CPI in 1958} } { \text { CPI in 2007} } \right ) \times \text { Saban' s 2007 salary} \]
\[\text { Saban' s salary in 1958 dollars} = \left ( \frac { 28.9} { 207.3} \right ) \times 4,000,000\]
\[\text { Saban' s salary in 1958 dollars} \approx 0.1394 \times 4,000,000\]
\[\text { Saban' s salary in 1958 dollars} \approx 557,600\]
So, the correct answer is:
b. Bryant's salary was \(1.025 \)million, Saban's was \(557,880\)
Supplemental Knowledge
The Consumer Price Index (CPI) is a crucial economic indicator used to adjust salaries, wages, and other monetary values for inflation. This adjustment allows for meaningful comparisons of purchasing power across different time periods. Here’s a deeper look into the concepts involved:
- Consumer Price Index (CPI): The CPI measures the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. It is used to calculate inflation rates and adjust monetary values to reflect changes in purchasing power.
- Inflation Adjustment Formula:
- To convert an amount from an earlier period to base period dollars:
\[\text { Adjusted Amount} = \left ( \frac { \text { CPI in Base Period} } { \text { CPI in Earlier Period} } \right ) \times \text { Original Amount} \]
- Conversely, to convert an amount from a later period to earlier period dollars:
\[\text { Adjusted Amount} = \left ( \frac { \text { CPI in Earlier Period} } { \text { CPI in Later Period} } \right ) \times \text { Original Amount} \]
- Example Calculation:
- Suppose you want to compare salaries from different years using the CPI.
- For instance, converting Bryant's 1958 salary to 2007 dollars involves multiplying his original salary by the ratio of the CPI in 2007 to the CPI in 1958.
- Similarly, converting Saban's 2007 salary to 1958 dollars involves multiplying his original salary by the ratio of the CPI in 1958 to the CPI in 2007.
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