Answer:
federal tax which has to be paid by the spouse is equal to $1,080,000
Explanation:
estate worth of Joel and Rachel = $2.4 million
= $2,400,000
estate is taxed at = 45 %
the amount of tax which spouse have to pay is
=

= $1,080,000
hence the federal tax which has to be paid by the spouse is equal to $1,080,000