C++, create an atm program. The starting balance at $5000. Enter a user-input lo

Question

C++, create an atm program. The starting balance at $5000. Enter a user-input loop giving the user 4 choices (W,D,B, Q) . User is allowed to enter a single character or an entire word. The program continues until and unless the user has entered a 'q', 'Q', or ''Quit', etc., in which case the program should end. When the user is asked to enter a number, you can assume he does not type some non-numeric value. You don't have to test for this kind of error. Use logical operators to simplify if statements, and getline() is used everywhere - do not mix cin with getline()...

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I cannot get the program to accept the user entering a lowercase letter or word from the menu options. The program errors and closes. Something is wrong with the string being carried over from getline() into an IF statement. Also, I need the program to loop if the user errors. It can only end if they choose to Quit, Q, or q. I know I should have a do/while statement, but where should that begin and end ?

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#include <iostream>
#include <string>
using namespace std;

int main()
{
   float Balance = 5000.00; // account balance
   string acct_option;
   float amount;

   //Menu for selection
   cout << "Please select an option (W, D, B, or Q): " << endl;
   cout << "W (Withdrawal)" << endl;
   cout << "D (Diposit) " << endl;
   cout << "B (Show Balance) " << endl;
   cout << "Q (Quit)" << endl;
   getline(cin, acct_option);
   cout << acct_option;

   if (acct_option == 'W' || acct_option == 'w') // if option W selected
   {
       cout << "Please enter amount to withdraw : " << endl << endl;
       cin >> amount; // enter amount to withdraw

       if (amount <= 0)
       {
           cout << "Amount cannot be zero or negative" << endl;
       }

       else if (amount > Balance) // if withdrawn
       {
           cout << "You do not have enough funds to withdraw this amount" << endl;
       }

       else // withdraw funds
       {
           Balance = Balance - amount;
           cout << "Withdrawl has been processed. Your new balance is " << Balance << endl;
       }
   }

   else if (acct_option == 'B') // if user enters option B
   {
       cout << "Your Balance is " << Balance << endl;
   }

   if (acct_option == 'D' || 'd') // if user enters option D
   {
       cout << "Please enter deposit amount: " << endl;
       Balance = Balance + amount;
       cin >> amount; // enter amount to deposit
       cout << " Deposit has been processed. Your new balance is: " << Balance << endl;
   }

   if (acct_option == 'Q' || 'q') // if user enters option Q
   {
       cout << "No transaction processed" << endl << endl;
   }

   else
   {
       cout << "Invalid Option Selected." << endl << endl;
   }

   cout << "Thank You, Enjoy Your Day!" << endl;
   return 0;
}

Explanation / Answer

I have coded another one. Please go through it.

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