mall1	product1	level1	75
mall2	product1	level1	84
mall3	product1	level1	72
mall4	product1	level1	84
mall1	product2	level1	111
mall2	product2	level1	116
mall3	product2	level1	129
mall4	product2	level1	128
mall1	product3	level1	142
mall2	product3	level1	140
mall3	product3	level1	155
mall4	product3	level1	161
mall1	product4	level1	69
mall2	product4	level1	80
mall3	product4	level1	78
mall4	product4	level1	81
mall1	product5	level1	58
mall2	product5	level1	58
mall3	product5	level1	58
mall4	product5	level1	59
