I have a list of products, each of which has a tarifff. e.g.
Product...Tariff
01234563 10
01423467 10
01423578 20
13466989 5
10457904 25
14456893 30
20345076 5
34056097 20
I want a formula that counts how many different tariff values there are. In this example there are 5. Is this possible?
Thanks
Chris
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