Please explain all anwers including formula used

How much are you willing to pay for a zero that matures in 10 years, has a face value of $1,000 and your required rate of return is 7%? Round to the nearest cent. Do not include a dollar sign in your answer. (i.e. If your answer is $432.51, then type 432.51 without $ sign)

Which one of the following foreign bonds is the actual name of bonds that are traded in the U.S.?

Bulldog bond

Shogun bond

Take-your-money-and-run bond

Yankee bond

All of the above

None of the above