Question on Proportional reference series

 

Hi

 

We have got a editable series which is proportional. We have got two items under higher item level ( Mktg Family).We have taken used sales history as proportional reference series, Both the items does have any history because one item is just released(NPI) and another one is end of life.Curently both the items get the equal share when the data is entered at the higher level because the proportional reference series is 0 for both the items as there is no sales history for both of them. We Want the EOL item not to get the Value when the data