Help needed using the IF formula

Hi All,
Attached is an example of a spreadsheet I extract on a monthly basis. The problem is that each branch name appears only once in the same column (A) as the sold products in Sheet1. What formula can I use to get the store name to appear next to each of the sold products as shown in sheet2?
Example.xlsx

Welcome to the forum.

There are instructions at the top of the page explaining how to attach your sample workbook (yellow banner: HOW TO ATTACH YOUR SAMPLE WORKBOOK). Screenshots are of little practical use as we cannot manipulate them.

A good sample workbook has just 10-20 rows of representative data that has been desensitised. It also has expected results mocked up, worked examples where required, relevant cells highlighted and a few explanatory notes.

In C2 copied down:

=IF(B2="","",LOOKUP(2,1/(B$1:B1=""),A$1:A1))

Please make your thread titles descriptive of the problem in future, and not of the expected solution.

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Thanks for the rep - you still need to mark the thread as solved, please.