Date,Store, ITEM, QUANTITY
2020-10-01 00:00:00.000,1,a,5
2020-10-02 00:00:00.000,1,[MISSING],6
2020-10-03 00:00:00.000,1,a,10
2020-10-04 00:00:00.000,1,a,10
2020-10-05 00:00:00.000,1,a,11
2020-10-10 00:00:00.000,1,a,8