Answer:
coupon rate = 4.4% semiannual
annual rate = 8.8%
Step-by-step explanation:
we can use the approximate yield to maturity formula to determine an approximate coupon rate:
YTM = {coupon + [(face value - market value)/n]} / [(face value + market value)/2]
4.5% = {coupon + [($1,000 - $975)/40]} / [($1,000 + $975)/2]
$987.50 x 4.5% = coupon + [($1,000 - $975)/40]
$44.4375 = coupon + $0.625
$43.8125 = coupon
coupon rate = $43.8125 / $1,000 = 0.0438 = 4.4% semiannual
annual rate = 8.8%