Lady Datejust 178274 good deal at an AD?

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An AD is offering me a 3.35% MSRP ($7,450) discount on a Lady Datejust (white, roman numerals, 31 mm) and a 12 month, no interest payment plan. Plus a 3 year warranty extension (with a rolex certified tech from the jewelry) and 1 free polishing for whenever I need it.

Alternatively, they are offering not discount but 36 month no interest financing with the three year warranty extension and free polishing.

Do you think either alternative is a good deal? I am going crazy on whether to pull the trigger or not.