A data architect adds a field to an existing data model that contains new values for the ProductGroup. The business anal

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A data architect adds a field to an existing data model that contains new values for the ProductGroup. The business analyst needs to efficiently update the app and meet these requirements:✑ Use the existing charts, which are built using a master item dimension called ProductGroup✑ Existing charts must use the new values for ProductGroup✑ Business users must be able to compare the new and old valuesHow should the business analyst meet these requirements?

A. Change the ProductGroup dimension using the new field, and create a new dimension in the master items for the old field.
B. Create a calculated dimension on the charts to allow the users to compare the new value to the old value.
C. Replace the dimensions on all charts to use the new ProductGroup field added to the data model.
D. Use set analysis on the chart measures to see the difference in ProductGroup between the new field and the old field.