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