mall1	product1	level1	79
mall2	product1	level1	85
mall1	product2	level1	73
mall2	product2	level1	63
mall1	product3	level1	81
mall2	product3	level1	73
mall1	product4	level1	65
mall2	product4	level1	72
mall1	product5	level1	64
mall2	product5	level1	59
mall1	product6	level1	64
mall2	product6	level1	71
mall1	product7	level1	120
mall2	product7	level1	108
mall1	product8	level1	115
mall2	product8	level1	127
mall1	product9	level1	52
mall2	product9	level1	53
mall1	product10	level1	75
mall2	product10	level1	69
