public HttpResponseMessage RetrieveMerchanRiskEvaluation(int merchantId, DateTime StartDate, DateTime EndDate)
 {
     MPMerchantRiskEvaluationDetailModel response;
     using (MerchantProfileTier mt = new MerchantProfileTier())
     {
         response = mt.RetrieveMerchantRiskEvaluation(merchantId, StartDate, EndDate);
         return this.Request.CreateResponse(HttpStatusCode.OK, response);
     }
 }