public HttpResponseMessage RetrieveContractActivities(int contractId, int ProcessorTypeId, string ProcessorNumber, DateTime ActivityStartDate, DateTime ActivityEndDate)
 {
     MPMerchantContractModel response = new MPMerchantContractModel();
     MPMerchantActivityDetailModel innerresponse;
     using (MerchantProfileTier mt = new MerchantProfileTier())
     {
         innerresponse = mt.RetrieveContractActivities(contractId, ProcessorTypeId, ProcessorNumber, ActivityStartDate, ActivityEndDate);
         response.ActivityDetail = innerresponse;
         return this.Request.CreateResponse(HttpStatusCode.OK, response);
     }
 }