PLEASE SHOW ALL WORK FOR THIS

A Treasury bond due in one year has a yield of 5.7%; a Treasury bond due in 5 years has a yield of 6.2%. A bond issued by Ford Motor Company due in 5 years has a yield of 7.5%; a bond issued by Shell Oil due in one year has a yield of 6.5%. The default risk premiums on the bonds issued by Shell and Ford, respectively, are 1.2% and 1.0% 1.0% and 1.2%. 0.7% and 1.5%. None of the options 0.8% and 1.3%