Which one of the following statements is TRUE about different types of attribution models? First touch attribution requi

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Which one of the following statements is TRUE about differenttypes of attribution models?
First touch attribution requires less data than otherattributions.
Multi-touch attribution explicitly recognizes upper funnelmarketing efforts.
Last touch attribution heavily depends on third partycookies.
Customized attribution is easier to be implemented comparingwith other attribution models.