public string MakeCreditDecision()
        {
            int creditScore = _creditDecisionService.GetCreditScore();

            if (creditScore < 550)
            {
                return("Declined");
            }
            else if (creditScore <= 675)
            {
                return("Maybe");
            }
            else
            {
                return("We look forward to doing business with you!");
            }
        }