Brad Owns a Cash Value Life Insurance Policy

Brad owns a cash value life insurance policy.Last year,the cash value increased by $300.Brad received $100 in policyowner dividends on the policy last year.Brad was the beneficiary named in his grandmother's $50,000 life insurance policy.When she died this past year,Brad received $50,000.How much taxable income relating to life insurance must Brad report for federal income tax purposes?

A) $0
B) $100
C) $400
D) $50,400