Answer:
#include <iostream>
#include <fstream>
using namespace std;
int main() {
// Definitions
double annualInterest; // The annual interest rate
double balance; // The account balance
int months; // Total number of months
double totalDeposit = 0.0; // Total deposited value
double totalWithdraw = 0.0; // Total withdrawn value
double earnedInterest= 0.0; // The earned amount
double deposited; // Monthly deposited value
double withdrawn; // Monthly withdrawn value
// Get the initial required data.
cout<<"Please enter the annual interest rate,\n";
cout<<" Interest rate: ";
cin >>annualInterest;
cout<<"--------------------------------------------\n";
cout<<"Please enter the starting balance,\n";
do{
cout<<"[the number could not be negative]\n";
cout<<"Starting Balance: ";
cin >>balance;
}while(balance<0);
cout<<"--------------------------------------------\n";
cout<<"Please enter the number of months,\n";
do{
cout<<"[the number could not be less than 0]\n";
cout<<"Number of months: ";
cin >>months;
}while(months<0);
// Iterated Loop to get all the months data.
for(int month=1; month <= months; month++){
// Get the deposited value during that month.
cout<<"Enter the deposited value during month "
<<month<<",\n";
do{
cout<<"[the value could not be less than 0]\n";
cout<<" Deposited value: ";
cin >>deposited;
}while(deposited<0);
totalDeposit += deposited;
balance += deposited;
// Get the withdrawn value during that month.
cout<<"Enter the withdrawn value during month "
<<month<<",\n";
do{
cout<<"[the value could not be less than 0]\n";
cout<<" Withdrawn value: ";
cin >>withdrawn;
}while(withdrawn<0);
totalWithdraw += withdrawn;
balance -= withdrawn;
// Negative balance close the program.
if(balance < 0){
cout<<"Sorry, the account has been closed due to\n";
cout<<"the negative balance.\n";
break;
// Calculate value due to the interest rate.
}
else {
earnedInterest += (annualInterest/12) * balance;
// monthly interest rate
balance += (annualInterest/12) * balance;
}
}
// Display the statistics,
ofstream file;
file.open ("Report written to Report.txt");
file << "Report written to Report.txt\n";
file.close();
cout<<"The ending balance: "<<balance<<std::endl;
cout<<" Total deposited: "<< totalDeposit<<std::endl;
cout<<" Total withdrawals: "<< totalWithdraw<<std::endl;
cout<<" Earned interest: "<< earnedInterest<<std::endl;
cout<<"============================================\n";
return 0;
}
