public CheckTaxStateResponse CheckTax(string state) { CheckTaxStateResponse response = new CheckTaxStateResponse(); List <Tax> taxes = _taxRepository.LoadFromTxt(); foreach (Tax item in taxes) { if (state == item.StateAbbreviation) { response.Message = "Success"; response.Success = true; response.Tax = item; return(response); } else { response.Message = "Invalid entry"; response.Success = false; } } return(response); }