According to the given information, Yield to maturity (YTM) of Watters umbrella corp. is 6.42%
current market value = $1,000 x 98% = $980
n = (15 - 2) x 2 = 2
coupon = $1,000 x 6.2% x 1/2 = $31
face value = $1,000
Yield to maturity (YTM) = [coupon + [(face value - market value)/n]} / [(face value + market value)/2]
Yield to maturity (YTM) = [31 + [(1,000 - 980)/26]} / [(1,000 + 980)/2]
Yield to maturity (YTM) = (31 + 0.77) / 990 = 31.77 / 990 = 0.03209 x 2 (annual yield) = 0.641818 = 6.42%
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