Answer:
On the transfer of the building,
Appreciation of building = FMV - Adjusted Basis
= $50,000 - $10,000
= $40,000
WFI has taxable transaction and gain recognition of $40,000.
On the transfer of the land,
Appreciation of land = FMV - Adjusted Basis
= $150,000 - $90,000
= $60,000
WFI has taxable transaction and gain recognition of $60,000.