The YTM is equal to 10.00%. We have the following bonds with a nominal value equal to 1 000 $:

• 3-year coupon bond with coupon rate equal to 12.0% and coupon payable four times a year, to redeem bonds remains 18 months,
• 6-year zero-coupon bond, to redeem bonds remains 18 months.

1. Calculate the bond prices,
2. Which bonds are worth buying if their prices are equal to 1 030 $ and 860 $, respectively?

PLEASE HELP ASAP