//NOTE: id is zip code in this scenario
public async Task <T> Get <T>(string id)
{
if (string.IsNullOrEmpty(id))
{
throw new ArgumentNullException(nameof(id), "Zip cannot be null or empty");
}
Uri uri = uriHelper.CreateUri(baseUrl, UrlConstants.Rates, id);
HttpResponseMessage response = await taxRateHttpClient.Client.GetAsync(uri);
string responseContent = await response.Content.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <T>(responseContent));
}