//Case 2
public void TotalCost()
{
List <Outing> outingList = new List <Outing>();
var listOfEnums = Enum.GetValues(typeof(TypeOfEvent));
foreach (TypeOfEvent eventType in listOfEnums)
{
outingList = _outingRepo.ListByType(eventType);
Console.WriteLine($"The cost of this event was {_outingRepo.TotalCost(outingList)}");
}
}