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Question 129
Is-A Relationship
Is-A Relationship
A base class Account has been provided with a protected double balance, a constructor, and agetBalance()function. A derived class SavingsAccount publicly inherits from Account and has an additional double interestRate. The constructor has already been implemented. Your task is to implement thecalculateInterest()function. It should return balance * interestRate. Do NOT include a main function. Your code will be tested automatically.
Expected Output:
Interest: 50= newline. The output ends with a newline — print one after the last line.
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