I have an excel sheet where batches consist of 2 or more raw materials with each a serial number. Those serial numbers have each their own expiry date. I want the final expiry date (column D) based on the oldest expiry date of the raw materials.
For example: batch 1 has 25635 (expiry date 11-2019) and 12345 (expiry date 07-2019). I want that column D shows only the oldest expiry date, which is in this case 07-2019
How do I do that? (the excel sheet is in the attachment)
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