public void printSalesMenu()
	{
		System.out.println("Print by what?");
		System.out.println("1:sale by product");
		System.out.println("2:sale per category");
		System.out.println("3:customer most purchase");
		int input = scanner.nextInt();
		switch (input)
		{
			case 1:
				System.out.println("Input Stock Number");
				printSalesProduct(scanner.next());
				break;
			case 2:
				System.out.println("Input category");
				printSalesCategory(scanner.next());
				break;
			case 3:
				controller.getMostCustomerSales();
				break;
		}
		
	}