mall1	product1	level1	55
mall2	product1	level1	54
mall3	product1	level1	50
mall4	product1	level1	54
mall1	product2	level1	48
mall2	product2	level1	44
mall3	product2	level1	49
mall4	product2	level1	44
mall1	product3	level1	74
mall2	product3	level1	84
mall3	product3	level1	72
mall4	product3	level1	76
mall1	product4	level1	120
mall2	product4	level1	115
mall3	product4	level1	117
mall4	product4	level1	123
mall1	product5	level1	101
mall2	product5	level1	99
mall3	product5	level1	110
mall4	product5	level1	117
