3080 FE queue is still stuck at December 2020, so no one will part a FE card for 47k. Also, AIB cards were probably bought for 1+ lakh.
Regarding 4000 series, it will be priced much higher, this was clearly seen with 3080 Ti FE which was priced at 1.07 lakh as compared to 62k for 3080 FE...