In the newest cumulative update for DAX, Microsoft have included a Pricing simulator:
Now you can “simulate” a retail POS sale in AX, and see how prices are calculated in CRT, and uses a new class to perform the price simulation
This will certainly make the testing of retail prices much easier.
Thanks Microsoft.
Kurt Hatlevik - Dynamics 365 Blog 
Hello Kurt, after I updated the Ax with Cu9, when I try start the POS, appear the message “Database Mismatch”.
I tried run the retail database utility, but it isn’t works
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could you help me?
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I followed the Cumulative update 9 installation guide, from page 15 and onward. I think that should do the trick.
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