Come on, admit it, you know I'm right.
btw, here's an almost accidental discovery of mine using Buffett and Graham's approach [or rather, my understanding of it]...
...
As for Monty's formula... he overpaid by about 10%. Which as we've been discussing, kinda make sense doesn't it.
It is unclear to me if your example actually help prove you right or wrong.
If you say Monty's formula overpaid by about 10%, I could also say the seller wouldn't sell it too cheap if he uses Monty's formula.