private IEnumerable <IPurchasable> GetPurchasableEquipment()
{
List <IPurchasable> purchasableItems = new List <IPurchasable>
{
agentFactory.CreateSnackMachine(TimeSpan.Zero),
agentFactory.CreateSodaMachine(TimeSpan.Zero),
agentFactory.CreateWaterFountain(TimeSpan.Zero),
agentFactory.CreateOfficeDesk(TimeSpan.Zero),
agentFactory.CreateTrashBin(TimeSpan.Zero),
agentFactory.CreateSnackMachine(TimeSpan.Zero),
agentFactory.CreateSodaMachine(TimeSpan.Zero),
agentFactory.CreateWaterFountain(TimeSpan.Zero),
agentFactory.CreateOfficeDesk(TimeSpan.Zero),
agentFactory.CreateTrashBin(TimeSpan.Zero),
agentFactory.CreateSodaMachine(TimeSpan.Zero),
agentFactory.CreateWaterFountain(TimeSpan.Zero)
};
return(purchasableItems);
}