Answer:
total return 1,765
Explanation:
the bonds will be purcahse at ask quote (dealer is willing to sale at 124.2025
and sale at bid price (dealer purchase at 124.2175)
we also have gain the interest for the period:
principal x rate x time = interest
as the rate is annual then, time is express as the portion of a year
100,000 x 0.035 x 6/12 months = 1,750
100,000 x 124.2025 = 124,202.5 purchase price
100,000 x 124.2175 = 124,217.5 sale price
capital gain: (diffeence between sale and purchase: 15
total return 1,765