need help with 20-22

The next three questions are based on the below information: You see a five-year bond trading in the market with the following characteristics: $1,000 face value, 9% coupon with 5 years to maturity. Assume market interest rates are 8.5% and that coupon payments are annual. What is the bond's price? What is the bond's duration in years? Information from prior You see a five-year bond trading in the market with the following characteristics: $1,000 face value, 9% coupon with 5 years to maturity. Assume market interest rates are 8.5% and that coupon payments are annual: Calculate the expected price change in \% if interest rates fall to 8.35% using the duration approximation formula Information from prior You see a five-year bond trading in the market with the following characteristics: $1,000 face value, 9% coupon with 5 years to maturity. Assume market interest rates are 8.5% and that coupon payments are annual