Math Problem Statement
Frank is lending $1,000 to Sarah for two years. Frank and Sarah agree that Frank should earn a real return of 2 percent per year.
Instruction: Enter your responses as whole numbers.
The CPI is 100 at the time that Frank makes the loan. It is expected to be 106 in one year and 112.4 in two years. What nominal rate of interest should Frank charge Sarah?
The nominal rate of interest charged should be 8 Numeric ResponseEdit Unavailable. 8 correct.%.
Suppose Frank and Sarah are unsure about what the CPI will be in two years. How should Frank index Sarah's annual repayments to ensure that he gets an annual 2 percent rate of return?
Frank should charge Sarah 15 Numeric ResponseEdit Unavailable. 15 incorrect.% more than Correctthe inflation rate.
Solution
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Math Problem Analysis
Mathematical Concepts
Inflation
Interest Rates
Fisher Equation
Real and Nominal Interest Rates
Formulas
Nominal Interest Rate (i) ≈ Real Interest Rate (r) + Expected Inflation Rate (π)
Inflation Rate = (CPI_end - CPI_start) / CPI_start * 100
Theorems
Fisher Equation
Suitable Grade Level
Grades 10-12
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