Answer:
Zack's adjusted basis is $4,000
Step-by-step explanation:
Given:
Zack's uncle's basis in stock = $4,000
Fair value when stock was given as gift = $1,500
Sale value = $4,200
Zack's adjusted value in stock will be $4,000 as uncle's adjusted basis in stock was more than fair value of $1,500. Moreover, sale value of $4,200 is also more than his uncle's adjusted basis.
If FMV is less than original adjusted basis and sale value is more than original adjusted basis, then adjusted basis of the stock at the time of sale is its original adjusted basis which is $4,000 in this case.