Hi I try to make a rate of PY Revenue by Product Family In order to do it, I want to take All Products figure in PY Q total (120,580) It didn't work to use PY Revenue[lookup: parent(item(P1 product family)] Could you help me to figure this out?
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Hi, I have a question about the Final Shipping cost. The figures match with the test of the shipping cost but the formula doesn't pass the exam. I don't know what I did wrong.
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