Hello i need the answers to the above question. The calculations are much needed. Thanks.

University Portfolio Basis / Bond Exercise finance => The value of a bond portfolio consists of one 7-year annual 15.30% coupon bond. A bond portfolio management can be set up, immunization that is a step to immunize a bond investment from interest rate changes. The Initially, the yield to Maturity is set at 100% - calculate Thus, the effects on the portfolio value for each year till maturity if: (a) There is a rise of a 100 basis point in the interest rate. Cb) There is a fall of a 100 basis point in the interest rate. => read the calculations. [30 Marks