private void AddProfit(float profit)
    {
        ProfitLedger.Add(profit);

        if (ProfitLedger.Count() > _profitLedgerLimit)
        {
            ProfitLedger.RemoveAt(0);
        }
    }
 public float ProfitToDate()
 {
     return(ProfitLedger.Sum());
 }