Caldwell, Inc. sold an issue of 30-year, $1,000 par value bonds to the public. The bonds carry a 10.85% coupon rate and pay interest semiannually. It is now 12 years later. The current market rate of interest on the Caldwell bonds is 8.45%.

What is the current market price of the bonds? (Round to the nearest dollar.)

The answer is 1220. How to use calculator to get this answer?