What is the present value of the following annuity? $2,376 every half year at the end of the period for the next 5 years, discounted back to the present at 4.86 percent per year, compounded semiannually.

Round the answer to two decimal places.

Answer:

18,472.22

(20,870.32)

Can you please help me with this question. I got 18,472.22 as my answer, but my teacher marked 20,870.32 as the right one. I'm trying to see how he got that