public ZooDailyFeedingCostCalculator(IRateRepository rateRepository, IPriceRepository priceRepository,
IZooRepository zooRepository)
{
_rateRepository = rateRepository;
_priceRepository = priceRepository;
_zooRepository = zooRepository;
}
public ZooManager(IZooRepository ZooRepository)
{
this.ZooRepository = ZooRepository;
this.date = DateTime.Now;
}