Motabilty do not approve of or encourage the discounting of AP’s.
As far as I am aware there are no hard and fast rules about it. Many dealers advertise their discounts so I’m confident that there cannot be any truth in the drivel from your chap, he seems to have dug himself a hole and just kept going.
If I seem a little strange, that's because I am.
Skoda Karoq SEL.