public HttpResponseMessage RetrieveContractSalesRepresentative(int contractId)
 {
     MPMerchantContractModel response;
     using (MerchantProfileTier mt = new MerchantProfileTier())
     {
         response = mt.RetrieveContractSalesRepresentative(contractId);
         return this.Request.CreateResponse(HttpStatusCode.OK, response);
     }
 }