internal TragedyCalculator(Performance aPerformance, Play aPlay) : base(aPerformance, aPlay)
{
}
internal EnrichedPerformance(Performance aPerformance, Play play)
: base(aPerformance.PlayId, aPerformance.Audience)
{
Play = play;
}
internal PerformanceCalculator(Performance aPerformance, Play aPlay)
{
Performance = aPerformance;
Play = aPlay;
}