public Penalty GetPenalty(int id)
 {
     foreach (var penalty in DemoData.GetPenalties())
     {
         if (penalty.Id == id)
         {
             return(penalty);
         }
     }
     return(null);
 }
 public IReadOnlyList <Penalty> GetPenalties()
 {
     return(DemoData.GetPenalties());
 }