(1) The amount of the federal estate tax before allowing the maximum credit for taxes of any of the kinds as provided in § 2011 of the Internal Revenue Code of 1954 (26 U.S.C. § 2011);
(2) The proportion of nontaxable property to the entire estate, referred to in § 67-8-202;
(3) The amount of state taxes;
(4) The amount of any additional taxes allowable in computing the federal estate tax of the decedent;
(5) The amount of the Tennessee estate tax; and
(6) The amount of interest, if any, paid on such federal estate tax and the period covered by such interest, together with the amounts, if any, of any of the items theretofore paid and a duplicate of the federal estate tax return filed or being filed by the executor.