213: Implement a C++ program to model a simple banking system. Create a base class "Account" with attributes like account number and balance. Derive a class "SavingsAccount" to include features like interest calculation and deposit/withdrawal.

// Implement a C++ program to model a simple banking system. Create a base class "Account" with

// attributes like account number and balance. Derive a class "SavingsAccount" to include features

// like interest calculation and deposit/withdrawal.

#include <iostream>

using namespace std;

class Account

{

private:

    int account_num, balance;

public:

    Account(int a = 0, int b = 0) { account_num = a, balance = b; }

    void display_Account() { cout << "Account number: " << account_num << "\nBalance: " << balance << endl; }

    int getBalance() { return balance; }

};

class SavingsAccount : protected Account

{

private:

    float interest_rate;

    int years;

public:

    SavingsAccount(int a = 0, int b = 0, float i = 0.0, int y = 0) : Account(a, b){interest_rate = i, years = y;}

    void display_Savings();

    float display_interest();

};

void SavingsAccount::display_Savings()

{

    display_Account();

    cout << "Interest: " << display_interest() << endl;

}

float SavingsAccount::display_interest() { return (interest_rate * (getBalance() / years)); }

int main()

{

    SavingsAccount s1(12345, 26000, 1.78, 7);

    s1.display_Savings();

    return 0;

}