Problem #$4$: A corporation issues a $20$ year bond with the final redemption value equal to the face value of $$1000,$ and semiannual coupons of $8\%.$ However, the bond is callable at the end of $10$ years at $$1100,$ and at the end of $15$ years at $$1040.$ What is the price of the bond if the investor's yield $($the "yield$-$to$-$worst"$)$ is $6\%?$

Problem #$4$: Answer correct to $2$ decimals.

Submit Problem #$4$ for Grading