I need help please. We worked some of the attached excel in class, but mine did not save. Please help answer the highlighted yellow blocks. Start with the partial model in the file Ch$05$ P$24$ Build a Model.xlsx on the textbook$$s website. A $20-$year, $8\%$ semiannual coupon bond with a par value of $$1,000$ may be called in $5$ years at a call price of $$1,040.$ The bond sells for $$1,100.($Assume that the bond has just been issued.$)$