mall1	product1	level1	105
mall2	product1	level1	105
mall3	product1	level1	102
mall4	product1	level1	114
mall1	product2	level1	76
mall2	product2	level1	81
mall3	product2	level1	82
mall4	product2	level1	82
mall1	product3	level1	128
mall2	product3	level1	118
mall3	product3	level1	132
mall4	product3	level1	121
mall1	product4	level1	108
mall2	product4	level1	115
mall3	product4	level1	110
mall4	product4	level1	99
mall1	product5	level1	73
mall2	product5	level1	75
mall3	product5	level1	65
mall4	product5	level1	74
