Psf ppr Vs Psf of new units

Let us do a quick comparison between the cost of land to the developer (the price paid psf ppr) and the sale price of new launches (psf) on the SAME piece of land. 

Let us take the newest developments in our area... the Santorini and Q Bay. Hidious developments, to be sure, along Tampines Ave 10. mostly comprising of shoe box units, but that is irrelevant.

First the map:

Q Bay was bought  in May 2012 at a cost of $418 psfppr.
Santorini was bought in Jul 2013 at a cost of $562 psfppr.

According to the URA website the most recent sale price psf is as follows:

So, you see, you NEVER have to worry about the developers ability to profit from their adventures... they always find a way.