Alan Maade, a U.S. citizen, died on March 1, leaving an adjusted gross estate with a fair market value of $1,600,000 at the date of death. Under the terms of Alan's will, $475,000 was bequeathed outright to his widow, free of all estate and inheritance taxes. The remainder of Alan's estate was left to his mother. Alan made no taxable gifts during his lifetime. In computing the taxable estate, the executor of Alan's estate should claim a marital deduction of

A) $250,000

B) $475,000

C) $675,000

D) $1,125,000