Compute the Macaulay duration under the following conditions: a. A tond with a four-year term to maturity, an 8 coupon (annual payments), and a market yleld of 8% Do not round intermediate calculations. Round your answer to two decimal places. You may use Appendix to answer the questions. Assume $1,000 par value. 1. A bond with a four-year term to maturity, an 8 coupon (annual payments), and a market yield of 13%. Do not round Intermediate calculations. Round your answer to two decimal places. You may operdix to answer the question. Assume $1,000 par value. Compare your answers to Parts a and b, and discuss the plications of this for classical immunization As a marcet yield increases, the Macaulay duration Select the duration of the portfolio from Partais equal to the desired investment horson the port from Part bis perfectly immunized