please answer the question 4. And give the details of explanation

Purchase Price Years to Maturity 85 3 (a) Explain how investors earn a return on a zerocoupon bond. (b) Compute the bonds yield to maturity. 3. What do you understand by the term structure of interest rates? (@ Explain the following theories of the term structure of interest rates: a. Liquidity preference theory b. Preferred habitat theory 0. Market segmentation theory X d. Expectations hypothesis w ' * tes for investments-ot UP' . You are rven the followrng are annual spo'l ra i ' 5 years. Tlgey represent interest rates that bondholders reelWe When ass prices of different bonds: Spot Rate (%) R Years