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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?