John Jones died at a time when his closely held business was valued at $$3,500,000.$ His gross estate was $$7,500,000.$ Administrative costs, debts and expenses totalled $$500,000.$ Federal estate taxes totalled $$1,250,000.$ The amount of taxes which can be deferred under IRC Section $6166$ is equal to

Question $9$ options:

a$)$

$$625,000$

b$)$

$$583,333$

c$)$

$$1,250,000$

d$)$

$$0$