Bizz, a cash-basis calendar-year taxpayer, died on August 14, 2015. The fair market alue of Bizz’s estate at date of death was $10,720,000. What amount of Bizz’s estate is effectively tax-free if the maximum basic exclusion amount is taken on his estate tax return?

a. $1,000,000
b. $2,625,000
c. $5,340,000
d. $5,430,000