Decedent's family owned a partnership that invested in real estate worth $4 million at decedent's death. Decedent owns one-quarter interest in the partnership. What is the value of decedent;s partnership interest for estate tax purposes? If Decedent interest qualifies for a 20% minority discount and a 20% marketability discount, what is the value of decedent's partnership interest for estate tax purposes? Is there any difference in result in second question above if decedent had given away another 40% interest in the partnership two years prior to decedent's death?