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["Store","Flavour","Unit Price","Sales","Year","Qsold"]
[1,"Cheese",10,30000,2017,3000]
[1,"Combo",20,160000,2017,8000]
[1,"Vegetarian",15,60000,2017,4000]
[1,"Cheese",10,9000,2018,900]
[1,"Combo",20,24000,2018,1200]
[1,"Vegetarian",15,4500,2018,300]
[2,"Cheese",10,60000,2017,6000]