mall1	product1	level1	85
mall2	product1	level1	76
mall3	product1	level1	82
mall4	product1	level1	80
mall1	product2	level1	70
mall2	product2	level1	62
mall3	product2	level1	58
mall4	product2	level1	68
mall1	product3	level1	63
mall2	product3	level1	61
mall3	product3	level1	61
mall4	product3	level1	55
mall1	product4	level1	53
mall2	product4	level1	52
mall3	product4	level1	51
mall4	product4	level1	52
mall1	product5	level1	150
mall2	product5	level1	137
mall3	product5	level1	132
mall4	product5	level1	129
