Consider a four-year bond with a face value of $100 and a coupon rate of 15%. The term structure of interest rates is flat at 6%. Calculate the duration of this bond. O a. 3.38 O b. 3.5 O c. 4 O d. 3.45 4

Consider a four-year bond with a face value of $100 and a coupon rate of 15%. The term structure of interest rates is flat at 6%. Calculate the duration of this bond. a. 3.38 b. 3.5 c. 4 d. 3.45