An informational interest rate calculator for a fixed term deposit needs to be tested. For a given deposit amount and the client’s age, the calculator shows the annual interest rate.

The following rules apply:

  • The minimum deposit amount is $100.
  • The maximum deposit amount is $10,000.
  • The annual interest rate depends on the deposit amount as follows:
    Deposit amount Annual interest rate
    $100 - $999 1.0%
    $1,000 - $4,999 1.3%
    $5,000 - $10,000 1.5%
  • Only adults (aged 18 and older) are eligible to open a term deposit account.
  • Clients aged 60 and older have a fixed interest rate of 2%.

Define the optimal (effective and efficient) set of boundary test cases for a system that calculates the term's deposit interest.

Test cases


Test case 1
DepositAgeInterest Rate


 


Tags
Quality Assurance Boundary value analysis Specification analysis Test case design Public
Easy

20min

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