public bool IsRequirementsFulFilled(InventoryObject inventory)
    {
        List <bool> requirementsFulFilled = new List <bool>(new bool[requirements.Count]);
        int         i = 0;

        foreach (var requirement in requirements)
        {
            if (requirement.amount <= inventory.GetItemAmount(requirement.itemType))
            {
                requirementsFulFilled[i] = true;
            }
            i++;
        }
        return(requirementsFulFilled.Exists(x => x == false) ? false : true);
    }