public void UpdateExistingParametersRate([FromBody] ParameterRate pr)
        {
            BenefitSystem b = new BenefitSystem();

            b.UpdateExistingParametersRate(pr);
        }
        public void InsertParametersRate([FromBody] ParameterRate pr)
        {
            BenefitSystem b = new BenefitSystem();

            b.InsertParametersRate(pr);
        }