Possible Formula help

Quickbase supports a conditional drop dow where be list of choices offered when selecting a related parent is conditional on a matching value previously selected.

For example:  Set up a table of Car Models with two fields being Make and Model and load it up with these pairs

GM Blazer

GM Chevy Bolt

GM Cadillac

Toyoto RAV 4

Toyota Corolla

This table will be the parent in the relationship to select the field with will be conditioned on a previous choice.

So on your detail records you would select say GM from a list of Makes, and then set the field properties for the field for Related Model to be conditional on the Make,  so that once you select GM you'll only see three choices offered. 

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Then on he