When a marketing mix model shows a significant interaction with a continuous moderator variable, what is the next step?

Compare the marketing mix variable estimales across two or more moderator walues

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Spotight the relationship between the marketing mix variable and the marketing outcome rariable merever a moderator variable equals $0$

Combine the marketing mix variable with the marketing outcome warable and the continuous moderator into one interpretable coefficient

Remove the continuous moderator variable to simplify the marketing min modit