mall1	product1	level1	140
mall2	product1	level1	154
mall3	product1	level1	167
mall4	product1	level1	150
mall1	product2	level1	51
mall2	product2	level1	46
mall3	product2	level1	55
mall4	product2	level1	47
mall1	product3	level1	71
mall2	product3	level1	81
mall3	product3	level1	81
mall4	product3	level1	82
mall1	product4	level1	100
mall2	product4	level1	88
mall3	product4	level1	90
mall4	product4	level1	100
mall1	product5	level1	161
mall2	product5	level1	137
mall3	product5	level1	155
mall4	product5	level1	137
