Sergio is the policyholder of an insurance policy on the life of his brother Silvino, who also acts as Sergio's power of attorney. At this point, Sergio has not named a beneficiary of the policy, but he is considering naming his wife Shirley as the beneficiary of the policy.Which of the following statements concerning Sergio's policy is CORRECT?

a)If Silvino dies today, the death benefit will be paid in succession to Silvino's estate.

b)If Sergio names Shirley as the beneficiary, her consent will be required to change it at a later date.

c)If Sergio names Shirley as the beneficiary, she would be considered the contingent beneficiary.

d)Acting as a mandatary for Sergio, Silvino may change the beneficiary of the policy.