Answer:
long term gain incure = $10,000
Step-by-step explanation:
given data
purchased stock = $120,000
stock on the date of death = $70,000
stock value on the alternate valuation date = $80,000
solution
as per given Sherman passed and all of property left for his wife under marital deduction
Because there no federal tax is applicable
so that sylvia basis will be FMV date of death as gain
gain will incure = proceeds amount - basis ..............1
gain incure = $80,000 - $70,000
gain incure = $10,000