In 2014, Buck created a life estate in a ranch he inherited from his wife Jessie. He gifted the remainder interest in his ranch to his daughter Daisy. The present value of the remainder interest was valued for gift tax purposes at $650,000. Buck also made a taxable gift in 2014 of $150,000 (a $164,000 gift to his neighbor Hank minus the annual exclusion of $14,000). When Buck died unexpectedly in 2015, the fair market value of the ranch was appraised at $5.7 million. Buck also had $2.5 million in stock at the time of her death. His funeral and administrative expenses totaled $32,000 and debts totaled $65,000. Compute the:

adjusted gross estate,

the taxable estate,

the tentative tax base,

the tentative tax,

the net federal estate tax payable,

the total cash requirements to cover the estate tax, expenses, and debts.