14. Annuity A pays X at the end of each year. The first payment occurs at time 6 years, and the last payment occurs at time 10 years. Annuity B pays $81.06 at the end of each year. The first payment occurs at time 1 year, and the last payment occurs at time 5 years. The current value of annuity B at the end of five years is $475.54. The present value at time 0 of annuity A is twice the present value at time 0 of annuity B. Determine X. A 238 B 275 C 313 D 350 E 387