Semiannual compounding, what is the price of a zero coupon bond with 13 years

Question: Assuming semiannual compounding, what is the price…?

Assuming semiannual compounding, what is the price of a zero coupon bond with 13 years to maturity paying $1,000 at maturity if the YTM is

Price of Bond at:

4%

8%

12%