mall1	product1	level1	71
mall2	product1	level1	71
mall3	product1	level1	78
mall4	product1	level1	82
mall1	product2	level1	126
mall2	product2	level1	114
mall3	product2	level1	132
mall4	product2	level1	128
mall1	product3	level1	80
mall2	product3	level1	75
mall3	product3	level1	77
mall4	product3	level1	83
mall1	product4	level1	104
mall2	product4	level1	102
mall3	product4	level1	113
mall4	product4	level1	120
mall1	product5	level1	110
mall2	product5	level1	100
mall3	product5	level1	112
mall4	product5	level1	112
