Answer:
a) The book value of the bond immediately after the 4th coupon:
It is the ending of the period book value from the for the fourth period above schedule = $93.72.
b) Accumulation of the discount in the 6th coupon:
It is the sum of principal portion for period 1 to 6 = 0.28 + 0.29 + 0.29 +0.30 + 0.31 + 0.32 = $1.79
c) Interest portion of the 8th coupon:
It is the interest portion for the 8th period = $2.84.
Step-by-step explanation:
DEtailed solution is attached below: