Question 4 8 Points Suppose that on January 1, 2018 Mario Corporation issues bonds with a nominal value of $ 100, maturity of two years and a coupon interest rate of 5%. The bonds were sold on the market for $ 102 and traded on the bond exchange. Required a. Calculate the return of an investor who bought a bond beginning of 2018 and sold it at the end of the year for $ 103, after paying the first coupon payment! Explain! b. Why do you think the bond was sold at a premium (above face value)? Use the editor to format your