Please show the formulas

4. Miller Co. bonds have a coupon rate of 10% and a face value of $50,000. Coupons are paid once a year and there are eight years remaining until the bonds mature. Unfortunately, Miller Co. is in financial trouble and bond holders have agreed to forgive the next two coupon payments. That is, only the last 6 of the remaining coupons will be paid, and there will be no payments until 3 years from today. If the appropriate market yield on these bonds is 25%, what are they worth today? A. $26,123.16 B. $17,833.16 C. $25,033.16 D. $20,033.16