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  • Example of a Bank's Expected Return Calculation with Default Probability

Calculating Required Interest Rate with Default Risk

A commercial bank is structuring a portfolio of many identical small business loans. The bank's goal is to achieve an overall expected return of 4% on the total amount loaned out. Based on historical data, the bank anticipates that 12% of these borrowers will default and be unable to repay any amount. To compensate for this risk and meet its goal, what is the minimum interest rate the bank must charge on the loans that are successfully repaid? Provide the final interest rate and a brief outline of your calculation.

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