For estate tax purposes, what date is used for valuation purposes?

  a. Property is always valued at the date of death.
  b. Property is always valued at the date of distribution.
  c. Property is valued at the date of death unless the alternate date, which is the date of distribution or six months after death, whichever comes first, is selected.
  d. Property is valued at the date of death although a reduction is allowed if the value declines within one year of death.