public IActionResult AddRateByCountryStateZip(ConfigurationModel model)
        {
            if (!_permissionService.Authorize(StandardPermissionProvider.ManageTaxSettings))
            {
                return(Content("Access denied"));
            }

            _taxRateService.InsertTaxRate(new TaxRate
            {
                StoreId         = model.AddStoreId,
                TaxCategoryId   = model.AddTaxCategoryId,
                CountryId       = model.AddCountryId,
                StateProvinceId = model.AddStateProvinceId,
                Zip             = model.AddZip,
                Percentage      = model.AddPercentage
            });

            return(Json(new { Result = true }));
        }