mall1	product1	level1	76
mall2	product1	level1	74
mall3	product1	level1	72
mall4	product1	level1	77
mall1	product2	level1	146
mall2	product2	level1	157
mall3	product2	level1	140
mall4	product2	level1	148
mall1	product3	level1	152
mall2	product3	level1	140
mall3	product3	level1	141
mall4	product3	level1	154
mall1	product4	level1	65
mall2	product4	level1	59
mall3	product4	level1	59
mall4	product4	level1	68
mall1	product5	level1	53
mall2	product5	level1	50
mall3	product5	level1	51
mall4	product5	level1	53
