public HttpResponseMessage GetifrsCustomer(HttpRequestMessage request, string rating)
        {
            return(GetHttpResponse(request, () =>
            {
                HttpResponseMessage response = null;

                IfrsCustomer[] ifrscustomer = _IFRSDataService.GetIfrsCustomerByRating(rating);

                // notice no need to create a seperate model object since TBillsComputationResult entity will do just fine
                response = request.CreateResponse <IfrsCustomer[]>(HttpStatusCode.OK, ifrscustomer.ToArray());

                return response;
            }));
        }