please do not use excel and explain throughly. show your work :)

1. What is the value of a $1000 par value bond, 8% coupon paid annually, 25 years to maturity if investors require a 9.5% return? 2. What is the value of a $1000 par value bond, 8% coupon paid annually, 25 years to maturity if investors require a 7.5% return? 3. What is the value of a $1000 par value bond, 8% coupon paid annually, 25 years to maturity if investors require an 8% return? 4. What is the value of a $1000 par value bond, 8% coupon paid annually, 5 years to maturity if investors reauire a 9.5% return? 1. What is the value of a $1000 par value bond, 8% coupon paid annually, 25 years to maturity if investors require a 9.5% return? 2. What is the value of a $1000 par value bond, 8% coupon paid annually, 25 years to maturity if investors require a 7.5% return? 3. What is the value of a $1000 par value bond, 8% coupon paid annually, 25 years to maturity if investors require an 8% return? 4. What is the value of a $1000 par value bond, 8% coupon paid annually, 5 years to maturity if investors reauire a 9.5% return