a$.D$ died in $2014$ with a taxable estate of $$6,000,000$ having made no prior

gifts. What would be the federal estate tax imposed, the amount of the credit

allowable, and the federal estate tax payable? Consider $$$2001$ and $2010.$

b$.$ How would the answers differ from those in $2$a if $D$ died in $2015$ instead of

in $2014?$ Consider $$$$2001$ and $2010.$

c$.$ Who is liable for the payment of the tax? Consider $2002.$