Bond value and timelong dashConstant required returns

Pecos Manufacturing has just issued a15-year, 8% coupon interest rate, $1000- par bond that pays interest annually.The required return is currently 12%,and the company is certain it will remain at 12% until the bond matures in 15years.

a.Assuming that the required return does remain at 12%until maturity, find the value of the bond with (1)15years, (2) 12 years, (3) 9 years, (4) 6 years, (5) 3 years, (6) 1 year to maturity.

b.All else remaining the same, when the required return differs from the coupon interest rate and is assumed to be constant to maturity, what happens to the bond value as time moves toward maturity?