private String completeDeposit(Scanner in) throws FileNotFoundException
   {
      String accountInput = in.next();
      while(!accountInput.equals("Checking") && !accountInput.equals("Savings"))
      {
         System.out.println("Sorry, please enter Savings or Checking: ");
         accountInput = in.next();
      }
      if(accountInput.equals("Checking"))
      {
         return withdrawChecking(in);
        
      }
      else if(accountInput.equals("Savings"))
      {
         return withdrawSavings(in);
             
      }
      return "quit";
         
   }