4. John's estate is to be divided into two equal parts and invested, to be paid out as follows: (a) John's child will receive n level annual payments, beginning on John's death. (b) Charity Q will receive its share as equal payments in perpetuity-immediate beginning n-1 years after John's death At an interest rate of 5.64% Q's annual payment is two times the annual payment for the child. What is a? (A) 14 (B) 16 C (C) 18 (D) 20 (E) 22 4. John's estate is to be divided into two equal parts and invested, to be paid out as follows: (a) John's child will receive n level annual payments, beginning on John's death. (b) Charity Q will receive its share as equal payments in perpetuity-immediate beginning n-1 years after John's death At an interest rate of 5.64% Q's annual payment is two times the annual payment for the child. What is a? (A) 14 (B) 16 C (C) 18 (D) 20 (E) 22