Daniel died on $1/11/20.$ His gross federal estate was $$22,000,000.$ His last will and testament made a specific bequest of $$11,000,000$ to his wife, Bridget, and the remainder to his children Sandy and Ted. The will directed that the debts and other expenses of $$2,500,000$ to be paid from the residuary of the estate. What is the amount of the marital deduction included on Daniel's federal estate tax return?