Question

In: Computer Science

Write a class to keep track of a balance in a bank account with a varying...

Write a class to keep track of a balance in a bank account with a varying annual interest rate. The constructor will set both the balance and the interest rate to some initial values (with defaults of zero).

The class should have member functions to change or retrieve the current balance or interest rate. There should also be functions to make a deposit (add to the balance) or withdrawal (subtract from the balance). You should not allow more money to be withdrawn than what is available in the account, nor should you allow for negative deposits.

Finally, there should be a function that adds interest to the balance (interest accrual) at the current interest rate. This function should have a parameter indicating how many months’ worth of interest are to be added (for example, 6 indicate the account should have 6 months’ added). Interest is accrued from an annual rate. The month is representative of 1/12 that amount. Each month should be calculated and added to the total separately.

For example:

            1 month accrued at 5% APR is Balance = ((Balance * 0.05)/12) + Balance;

            For 3 months the calculations you repeat the statement above 3 times.

Use the class as part of the interactive program provided below.

FILE Account.cpp:

#include "Account.h"

//constructor

Account::Account()

{

balance = 0;

rate = .05;

}

Account::Account(double startingBalance)

{

balance = startingBalance;

rate = .05;

}

double Account::getBalance()

{

return balance;

}

FILE Account.h:

#pragma once

class Account

{

private:

double balance;

double rate;

public:

Account();

Account(double);//enter balance

double getBalance();

double getRate();

};

FILE Source.cpp:

#include "Account.h"

#include

using namespace std;

int menu();

void clearScreen();

void pauseScreen();

int main()

{

int input = 0;

Account acct(100.00); //create instance of account

do

{

input = menu();

switch (input)

{

case 1: cout << acct.getBalance();

pauseScreen();

break;

case 2: //ToDo

break;

case 3: //ToDo

break;

case 4: //ToDo

break;

case 5: //ToDo

break;

case 6: //ToDo

cout << "Goodbye";

pauseScreen();

}

clearScreen();

} while (input != 6);

}

int menu()

{

int input;

cout << "Enter the number for th eoperation you wish to perform from the

menu." << endl

<< "1. Check Balance" << endl

<< "2. Check Current Rate" << endl

<< "3. Deposit to Account" << endl

<< "4. Withdraw from Account" << endl

<< "5. Accrue Interest" << endl

<< "6. Exit program" << endl << endl;

cout << "Enter Choice: ";

cin >> input;

while (input < 1 or input > 6)

{

cout << "Enter a valid Choice from the menu: ";

if (std::cin.fail())

{

std::cin.clear();

std::cin.ignore(1000, '\n');

}

cin >> input;

}

return input;

}

void clearScreen()

{

system("CLS");

if (std::cin.fail())

{

std::cin.clear();

std::cin.ignore(1000, '\n');

}

}

void pauseScreen()

{

std::cin.clear();

std::cin.ignore(1000, '\n');

std::cout << "\n---Enter to Continue!---\n";

std::cin.get();

}

Solutions

Expert Solution

Hi, Please go through code and output.

CODE:

#include <iostream>
#include "Account.h"

using namespace std;
int menu();
void clearScreen();
void pauseScreen();
int main()
{
   int input = 0;
   double balance = 0.0, amount = 0.0;
   int month = 0;
   Account acct(100.00); //create instance of account
   do
   {
       input = menu();
       switch (input)
       {
           case 1: cout << acct.getBalance();
           pauseScreen();
           break;
           case 2: cout << acct.getRate();
           pauseScreen();
           break;
           case 3:
               cout << "Enter amount :";
               cin >> amount;
               if(amount < 0.0)
               {
                   cout << "Amount should be more than 0." << endl;
               }
               else
               {
                   acct.deposit(amount);
               }
           break;
           case 4:
               balance = acct.getBalance();
               cout << "Enter amount: ";
               cin >> amount;
               if(amount > balance || amount < 0.0)
               {
                   cout << "balance is less than entered amount OR you entered nagative amount." << endl;
               }
               else
               {
                   acct.withdrown(amount);
               }
           break;
           case 5:
              
               cout << "Enter month: " << endl;
               cin >> month;
               if(month < 1)
               {
                   cout << "Month should be more than 0" << endl;
               }
               acct.AccrueInterest(month);
           break;
           case 6: //ToDo
           cout << "Goodbye";
           pauseScreen();
       }
       clearScreen();
   } while (input != 6);
}
int menu()
{
   int input;
   cout << "Enter the number for th eoperation you wish to perform from the menu." << endl
   << "1. Check Balance" << endl
   << "2. Check Current Rate" << endl
   << "3. Deposit to Account" << endl
   << "4. Withdraw from Account" << endl
   << "5. Accrue Interest" << endl
   << "6. Exit program" << endl << endl;
   cout << "Enter Choice: ";
   cin >> input;
   while (input < 1 or input > 6)
   {
       cout << "Enter a valid Choice from the menu: ";
       if (std::cin.fail())
       {
           std::cin.clear();
           std::cin.ignore(1000, '\n');
       }
       cin >> input;
   }
   return input;
}
void clearScreen()
{
   system("CLS");
   if (std::cin.fail())
   {
       std::cin.clear();
       std::cin.ignore(1000, '\n');
   }
}
void pauseScreen()
{
   std::cin.clear();
   std::cin.ignore(1000, '\n');
   std::cout << "\n---Enter to Continue!---\n";
   std::cin.get();
}

OUTPUT:


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