Hi and welcome to the forum
Use instead
Note it's good practice to avoid whole column references. With large data sets calculation may be extended depending on the complexity of formulae. Specify the specific ranges in question. Better still create a dynamic range name for your ranges so that yuo never need to worry about how large your data set gets, the range name will automatically expand to cover new records.
Incidentally for future reference we always prefer you upload the workbook rather than a picture. Pictures are often too small to read easily - as here and in any case not many people are inclined to recreate your data in order to test a solution.
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