The yield of a bond Michael Nguyen buys a new corporate bond for $1,000. The company issuer promises to pay the holder $45 interest on $1000 every 6 months corresponding to the face value (at par) of the security and to reimburse these $1,000 to the after 10 years. Two years later, Michael sells the bond to Maria Garcia for $900. Show your calculations in your working document. a) What is Michael's return on investment? b) If Maria holds the bond for the remaining 8 years to maturity, what is the yield to maturity of his investment? c) What was the current yield when Maria bought the bond?