mall1	product1	level1	87
mall2	product1	level1	81
mall1	product2	level1	113
mall2	product2	level1	125
mall1	product3	level1	110
mall2	product3	level1	120
mall1	product4	level1	150
mall2	product4	level1	161
mall1	product5	level1	94
mall2	product5	level1	91
mall1	product6	level1	105
mall2	product6	level1	117
mall1	product7	level1	60
mall2	product7	level1	69
mall1	product8	level1	55
mall2	product8	level1	52
mall1	product9	level1	88
mall2	product9	level1	89
mall1	product10	level1	150
mall2	product10	level1	140
