@Before
	public void setUp() throws Exception {
		this.terminal = new POSTerminal();

		this.terminal.setPricing('A',1,10);
		this.terminal.setPricing('A',2,7);
		this.terminal.setPricing('B',1,7);
		this.terminal.setPricing('B',5,25);
		this.terminal.setPricing('C',1,4);
		this.terminal.setPricing('D',3,2);

		terminal.scan("FAADZBBAC");
		terminal.scan("ABZBAC");

	}