I refer to:...

I refer to:
https://saimm.co.za/Conferences/Pt2006/011-16_Van der Merwe.pdf

"a Yardstick with which to value undeveloped PGE mineral resources is likely to range between 0.5% and 2.5% of the in-ground contained metal value"

The basket price must be north of the platinum price as both palladium and Rhodium are higher plus there are gold credits.
There are 43.7 million ozs of platinum in Garatau, Hoepakrantz and De Kom and then there is the take-over premium. I'll let someone else do the calculations!