Jason purchased a Treasury bond with a coupon rate of 3.9% and face value of $100. The maturity date of the bond is 15 April 2029. (b) In fact, Yang purchased Jason's bond on 7 February 2018. What was Yang's purchase price (rounded to four decimal places)? Assume a yield of 3.43% p.a. compounded half-yearly.

a. 105.3956

b. 105.5599

c. 105.5636

d. 103.6258