Excel sumproduct proble, : [Spreadsheet with data (TV tab)][1]


[Summary tab][2]


Hi

I am trying to get the revenue for the year to date in the Summary tab . I did this but it doesn't work 
  =SUMPRODUCT((TB!A:A="IS-1*")*(Months<=E2)*(TB!C5:N41))﻿


[Instructions][3]


  [1]: https://i.stack.imgur.com/2g1aX.png
  [2]: https://i.stack.imgur.com/eFz8C.png
  [3]: https://i.stack.imgur.com/FfhoT.png