Please complete the second and third question. the answer has already been solved in another chegg post but it was not explained or demonstrated well. If possible could you write it out step by step.

You purchase a 20 year semi annually 9% coupon bond with an 11% YTM today. In one year you sell. If interest rates stay the same, what would be your 1 -year HPR? 11%1.055(11)40(10009%) = Suppose interest rates have decreased in one year and bonds with this level of risk are now yielding 10% and you sell. What is your 1 -year HPR? - Suppose interest rates have increased in one year and bonds with this level of risk are now yielding 12% and you sell. What is your 1 -year HPR