Assume the existence of a BankAccount class . Define a derived class , SavingsAc

Question

Assume the existence of a BankAccount class . Define a derived class , SavingsAccount that contains two instance variables : the first a double , named interestRate, and the second an integer named interestType. The value of the type variable can be 1 for simple interest and 2 for compound interest. There is also a constructor that accepts two parameters : a double that is used to initialize the interestRate variable , and a string that you may assume will contain either "Simple", or "Compound", and which should be used to initialize the type variable appropriately. There should also be a pair of functions getInterestRate and getInterestType that return the values of the corresponding data members (as double and int respectively).

Explanation / Answer

class SavingsAccount : public BankAccount
{
private:
double interestRate;
int interestType;
public:
SavingsAccount()
{
interestRate=0;
interestType=0;
}
SavingsAccount (double, string);
double getInterestRate() const
{return interestRate;}
int getinterestType () const
{return interestType;}
};

SavingsAccount :: SavingsAccount (double a, string b)
{
interestRate=a;

if(b=="Simple")
interestType=1;
else
interestType=2;
}

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