don't use Excel, show the full working please, show the formulas

2. You are considering investing in three bonds with varying terms and yields to maturity. Each bond has a coupon of 6%, a par value of f100 and the next interest payment is due in one year: a) Calculate the market price of each bond. The present value of a f1 annuity over ten years discounted at 7.2% is 6.9591 ; the present value of a fl annuity over 20 years discounted at 7.7% is 10.041 . b) Calculate the market price assuming that all YTMs rise by 200 basis points. Use annuity present value factors of 6.3615 and 8.6908 . c) Calculate the market price assuming that all YTMs fall by 200 basis points. Use annuity present value factors of 7.6473 and 11.7546 . d) Which bond is the most volatile? Why