Zhang Wei is talking about a tax refund with a salesgirl named Alva. Listen to the conversation and complete the following procedure of the tax refund. At first, the salesgirl will complete _____1______ for the tourist. Then, the tourist should present ____2_____ that he is claiming a tax refund for on the form, _____3____ and ______4______ to the customs officer. Finally, customs officials will pay the refund to the tourist at the desk.