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Bond. What is the value of a $1,000 par value bond with annual payments of an a. 11% coupon with a maturity of 20 years and a 15% required return? b. 12% coupon with a maturity of 10 years and a 7% required return? c. 8% semiannual coupon with a maturity of 10 years and a 11% required return? d. 8% semiannual coupon with a maturity of 20 years and a 6% required return?