@Override
	public String toString() {

		int num = this.transactionSet.size();
		String transactionSetItems = "";
		for (int i = 0; i < num; i++) {
			String item = this.transactionSet.get(i).getTransaction().toString();
			transactionSetItems = transactionSetItems + "T" + i + ": " + item;
			if (i < num - 1) {
				transactionSetItems = transactionSetItems + "\n";
			}

		}
		return transactionSetItems;

	}