I don't think that is MAP, is it... just a dealer quote to a favored customer?

So, a T4 can cost anywhere BETWEEN $7000 and $3500 (depending on the dealer).

If I were a Yamaha dealer, I'd be taking out some ad space in an AARP magazine and letting those poor Ocala retirees know they are getting shafted, royally..!
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An arranger is just a tool. What matters is what you build with it..!