Will upgrade if answered quickly

Please show some work

7. Your company has issued a callable bond with the following characteristics: The par value is $1000 with annual coupons in the amount of 8% The bond is redeemable at par value at any time The bond has 4 years remaining to maturity with the next coupon due in 12 months Interest rates have fallen dramatically and the company calls the bond and issues a new bond with the same par, redemption value, coupon and remaining term as the old bond. The only difference is that the new bond is not callable and it was issued at a yield of 4% annual effective. What is the company's profit from calling the bond and re-issuing? A)-$90.19 C) $115.22 E) $163.02 B) $90.19 D) $145.20