public static void addItem(Messagable ui, String name, String category, float dailyLateFee, float maxLateFee, int numberOfCopies){
		boolean itemAdded = true;
		if(Item.itemExists(name, category)){
			itemAdded = false;
			ui.sendMessage("ERROR: Item already exists");
		}
		if(numberOfCopies < 1){
			itemAdded = false;
			ui.sendMessage("ERROR: Must have at least 1 copy.");
		}
		if(name.isEmpty()){
			itemAdded = false;
			ui.sendMessage("ERROR: Enter a name");
		}
		if(dailyLateFee < 0){
			itemAdded = false;
			ui.sendMessage("ERROR: Enter a Daily Late Fee");
		}
		if(maxLateFee < dailyLateFee){
			itemAdded = false;
			ui.sendMessage("ERROR: Max Late Fee must be less than Daily Late Fee");
		}
		if(maxLateFee < 0){
			itemAdded = false;
			ui.sendMessage("ERROR: Enter a Max Late Fee");
		}
		if(itemAdded){
			Item.addItem(name, category, dailyLateFee, maxLateFee, numberOfCopies);
			ui.sendMessage("SUCCESS: Item added to database");
		}
	}