The generation-skipping transfer tax supplements the estate and gift taxes. The following statements about this tax are all true, except:

a. ‘The generation-skipping trust is liable for any transfer tax due, but the distributee has transferee liability.

b. A generation-skipping trust must have at least two beneficiaries in different generations below that oft he grantor.

c. The same top marginal tax rate applies to estate, gift, and generation-skipping transfer taxes.

d. A person cannot be a beneficiary if the person has no present interest in the trust.